Other Ending Letters

Word Lengths Starting With A

All 3132 Matching Words

aabomycinventuricidinaazaanAlternative spelling of azan.abacinationThe act of abacinating, of blinding with the light from hot metalabacmectinMisspelling of abamectin.abaction(law) Carrying away by force, especially of animals.abaddon(archaic, British slang) An informer; a criminal who informs on other criminals to the authorities.abaecin(biochemistry) An antimicrobial peptide present in some insectsabafungin(pharmacology) A broad-spectrum antifungal agent with a novel mechanism of action for the treatment of dermatomycosis.abagun(obsolete) A type of fowl found in Ethiopia, and said to have a sort of horn on its head; probably the helmeted guineafowl, Numida meleagris.abalienation(law) The act of abalienating; alienation; estrangement; transferring a legal title.abamectinA widely used insecticide, acaricide and anthelminthic.abandon(transitive) To give up or relinquish control of, to surrender or to give oneself over, or to yield to one's emotions.abaptiston(medicine) A trepan having a conical shape so that injurious penetration of the brain is impossible.abarticulation(anatomy) An articulation, especially one that permits free motion in the joint; a hinge joint.abaton(Ancient Greece) An enclosure in the temple of Asclepios where patients slept.abaxialization(botany) Conversion to abaxial formabbacinationAlternative spelling of abacination.abbreviationThe result of shortening or reducing; abridgment.abbrevnAbbreviation of abbreviation.abderianFoolish; absurd; ridiculous; inclined to incessant merriment or laughter.abdicationThe act of abdicating; the renunciation of a high office, dignity, or trust, by its holder.abdomen(zoology, entomology) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.abdominalianOf or relating to the abdominalia.abductin(biochemistry) An insoluble elastic protein found in the hinge ligament of bivalve mollusks.abductionLeading away; a carrying away.abecedarianSomeone who is learning the alphabet.abelian(mathematics) Of an algebraic structure (usually a group or algebra), having a commutative defining operation.abelianisationNon-Oxford British English standard spelling of abelianization.abelianization(mathematics) A homomorphism that transforms a group into an abelian group.aberrationA partial alienation of reason.abevacuation(medicine) An abnormal evacuation.abfractionAn instance of tooth tissue loss via this mechanism.abhominationObsolete form of abomination.abhorrationSomething abhorrent; an abomination.abhorrition(obsolete) Synonym of abhorrence.abhuman(science fiction) A partially human creature.abietin(organic chemistry) A resin obtained from Strasburg turpentine or Canada balsam. It is without taste or smell, is insoluble in water, but soluble in alcohol (especially at the boiling point), in strong acetic acid, and in ether.abilitationThe enablement of abilityabiocenAlternative spelling of abiocoen.abiocoenThe non-living components of an environment, such as water, soil, air, etc.abiosestonThe non-living particulate matter in lakes and oceans.abirritation(medicine) A pathological condition opposite to that of irritation; debility; asthenia; atony.abitesartan(pharmacology) A drug that is an angiotensin II receptor antagonist.abjectificationThe act or process of abjectifying someone or something.abjectionA low or downcast condition; meanness of spirit; abasement; degradation.abjudication(law, rare) Rejection or confiscation by judicial sentence.abjugationThe act of abjugating. An unyoking, freeing, or uncoupling.abjunction(mycology, biology) The creation of spores by cutting off portions of the sporophore by the growth of septa; abstriction.abjurationA solemn recantation or renunciation on oath; as, an abjuration of heresy.ablactationThe weaning of a child from the breast, or of young animals from their dam.ablaqueation(obsolete, rare) The act or process of laying bare the roots of trees to expose them to the air and water.ablastin(immunology) An immunoglobulin G antibody efficient against some protozoans, specifically Trypanosoma lewisi, by preventing reproduction.ablation(surgery) The surgical removal of a body part, an organ, or especially a tumor; the removal of an organ function; amputation.ablegation(obsolete) Expulsion; banishment.ablenAlternative form of ablet (freshwater fish)ablepharon(medicine) ablephariaabligation(veterinary medicine, dated) The suturing or tying up of a body part.abligurition(chiefly archaic, rare) Prodigal expenditure on food.ablutionThe act of washing something.abluvion(Late Modern, obsolete, rare) That which is washed off.abmigration(ornithology) A northward summer migration of birds without a corresponding southward migration the previous autumn.abnegationA denial; a renunciation; denial of desire or self-interest.abnormalizationThe process of making or becoming abnormal.abocclusion(dentistry) Condition in which the upper and lower teeth are not in contact.abogeninAn organic compound found in Adenium boehmianum.abolitionThe act of abolishing; an annulling; abrogation.abomination(countable) An abominable act; a disgusting vice; a despicable habit.aboon(Scotland, British dialectal) Above.aborgoin(US, dialectal, rare) An aboriginal inhabitant; a Native American.aborigenAlternative form of aboriginaborigin(obsolete) Aboriginal.aborizationMisspelling of arborization.abornborn, begotten, created, developedabortationMisconstruction of abortion.abortinAn extract manufactured from the bacterium Brucella abortus, and is used to study contagious abortions in cattle.abortion(medicine) The expulsion from the womb of a foetus or embryo before it is fully developed, with loss of the foetus.abrasionThe act of abrading, wearing, or rubbing off; the wearing away by friction.abrationMisspelling of abrasion.abreaction(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.abreneurin(biochemistry) Alternative form of brain-derived neurotrophic factor.abrenunciation(archaic) Absolute renunciation; repudiation; retraction.abreption(archaic) A snatching away.abrinA toxin, akin to ricin, found in jequirity beans (Abrus precatorius).abrineurin(biochemistry) Synonym of brain-derived neurotrophic factor.abrogationThe act of abrogating.abruptionA sudden breaking off or breaking away; a violent separation of bodies.abscessationThe formation or development of an abscessabscession(rare) A separating; a removal; a going away.abscisinAlternative spelling of abscissin.abscisionA cutting away.abscissin(biochemistry, dated) A plant hormone controlling the dropping off or abscission of certain plant parts, notably the leaves of trees in autumn or cotton bolls.abscissionThe act or process of cutting off.absconsion(rare) The act of absconding.absentationThe act of absenting oneself.absimilation(obsolete) Assimilation.absinthean(rare) Alternative form of absinthian (“pertaining to absinthe”).absinthianOf the nature of wormwood.absinthiinAlternative form of absinthin.absinthin(organic chemistry) The principal compound found in wormwood (Artemisia absinthium), having a bitter taste: C₁₅H₂₀O₄absolution(ecclesiastical) An absolving of sins from ecclesiastical penalties by an authority.absolutisationAlternative spelling of absolutization.absolutizationAn act, process or result of absolutizing.absorbermanSomeone who controls an absorber.absorbition(rare) Absorption.absorbsionMisspelling of absorption.absorbtionMisspelling of absorption.absorptionThe act or process of absorbing or of being absorbed as,absquatulationThe act of absquatulating; hasty departure.abstain(transitive, reflexive, obsolete) Keep or withhold oneself.abstentionThe act of abstaining or refraining (from).abstersion(archaic) Act of wiping clean; a cleansing; a purging.abstractificationThe process of abstractifying or achieving abstracticism.abstractionThe act of abstracting, separating, withdrawing, or taking away; withdrawal; the state of being taken away.abstractizationThe process of abstractifying or achieving abstracticism.abstriction(biology, mycology) A method of spore formation in fungi in which successive portions of the sporophore are cut off through the growth of septa; abjunction.abstrusion(rare) The act of thrusting away.absumption(obsolete) Destruction or disintegration, especially a gradual one; wasting away.absurdification(rare) The process of becoming absurd.abthainAlternative form of abthane.abunAlternative form of abuna.abundation(Chester) abundanceaburdenTo burden, oppressaburton(nautical) With the length athwartship.abusion(obsolete) Misuse, abuse; in particular, illegal behaviour; verbal, physical or sexual abuse.abutilonAny of the various tropical flowering plants of the genus Abutilon, such as the flowering maple, Indian mallow, or Chinese lantern.abversion(obsolete) Alternative form of aversion.abyssomicin(medicine) Any of a class of polyketide antibiotics, having a spirotetronic tricyclic subunit in their structure, derived from certain marine organisms.acacatechinAn antioxidant for fatty oils obtained from Acacia catechu.acacetinA glycoside forming in the leaves of the common locust tree; C₁₆H₁₂O₅.acaciin(organic chemistry) A glycoside found in the leaves of a false acacia tree, Robinia pseudoacacia; C₂₈H₃₂O₁₄.academian(historical, obsolete) A follower of Plato.academician(now chiefly US) A member (especially a senior one) of the faculty at a college or university; an academic.academicizationThe act, process, or result of academicizing.academisationAlternative form of academization.academizationProcess or action of academizing.acafan(fandom slang) An academic who self-identifies as a member of fandom.acaloleptinAny of a group of antibacterial peptides present in the larva of the beetle Acalolepta luxuriosaacanthareanThat belongs to the taxonomic class Acantharea.acantharian(biology) A member of the Acantharia genus.acanthin(zoology, dated) strontium sulfate, the main constituent of the skeletons of the Acanthareaacanthion(medicine) A point lying near the base of the nose; specifically, the point at the base of the anterior nasal spine that lies on the mesial line; tip of the anterior nasal spine.acanthocephalanAny of parasitic intestinal worms comprising the phylum Acanthocephala.acanthodeanAlternative form of acanthodian.acanthodian(zoology) A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.acanthopteranAlternative form of acanthopterygian.acanthopterygian(zoology) Any fish of the superorder Acanthopterygii.acantocephalanMisspelling of acanthocephalan.acarianAny mite or tick of the subclass Acari.acaridanSynonym of acarid.acarideanSynonym of acarine.acaridianSynonym of acarine.acarpomyxeanAny amoeba of the class Acarpomyxeaacceleration(countable) The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).accelerin(medicine) A factor in the blood which participates in the conversion of prothrombin to thrombin during clotting; an activated form of factor V.acceleron(physics) A hypothetical subatomic particle that is claimed to react with neutrinos to produce dark energy.accension(obsolete) The act of kindling or the state of being kindled; ignition.accentuationA more distinct or prominent form.acceptationThe meaning (sense) in which a word or expression is understood, or generally received.acceptilation(civil law) Gratuitous discharge; a release from debt or obligation without payment; free remission.acception(obsolete) Acceptation; received meaning.accessionA coming to; the act of acceding and becoming joined.accessorizationThe process of accessorizing, or furnishing with accessories.acclamationA shout of approbation, favor, or assent; eager expression of approval; loud applause.acclimatation(rare) Acclimatization.acclimation(biology) The adaptation of an organism to its natural climatic environment.acclimatisationNon-Oxford British English and New Zealand standard spelling of acclimatization.acclimatizationThe act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.accombination(rare) A combining together.accommodation(physical) Adaptation or adjustment.accomodationMisspelling of accommodation.accomplitionThe act of accomplishing, or state of being accomplished; accomplishment.accordeonObsolete spelling of accordion.accordianMisspelling of accordion.accordion(graphical user interface) A vertical list of items that can be individually expanded and collapsed to reveal their contents.accorgan(music) A musical instrument combining an electronic keyboard with an accordion.accreditationThe giving of credentials.accredition(chiefly India) The giving of credentials.accrementition(physiology) The process of generation by development of blastema, or fission of cells, in which the new formation is in all respect like the individual from which it proceeds.accretion(uncountable) (Gradual) increase by an external addition of matter; (countable) an instance of this.accrimination(chiefly Late Modern, now rare) Accusation, recrimination.accubationThe act or posture of reclining on a couch, as practiced by the ancients at meals.accultation(rare) Alternative spelling of occultation.acculturalisationUK and Australia spelling of acculturalization.acculturalizationacculturationacculturationA process by which the culture of a society changes on contact with a different one.accummulationMisspelling of accumulation.accumulationThe act of amassing or gathering, as into a pile.accusationThe act of accusing.accussin(Chester) disputing, wranglingaccustomationThe process of becoming accustomed to something; habituation.accustomizationThe act, or process of accustomizing to a new, or changed environmentacedoben(organic chemistry) 4-acetamidobenzoic acid, a component of some pharmaceutical preparations including inosine pranobex.acedoxinA particular steroid glycoside.acellularizationThe process of making or becoming acellular.acemannanA mucopolysaccharide found in aloe vera leaves, with potential immunostimulant, antiviral, antineoplastic and gastrointestinal properties.acemetacin(organic chemistry, pharmacology) A nonsteroidal anti-inflammatory drug used for the treatment of osteoarthritis, rheumatoid arthritis, lower back pain, and postoperative pain.acenocoumarin(pharmacology) Alternative form of acenocoumarol.aceratheriinAny extinct rhinoceros of the subfamily †Aceratheriinae.acerbation(rare) Bitterness of feeling.acerogeninAny of a class of diarylheptanoids found in Acer maximowiczianum.acertannin(organic chemistry) The tannin 1,5-anhydro-2,6-bis-O-(3,4,5-trihydroxybenzoyl)-D-glucitol present in leaves of the maple Acer ginnalaacervation(obsolete, rare) A heaping up; accumulationacetabularizationModification of the acromion to an acetabular formacetalization(organic chemistry) Any reaction that yields an acetal.acetamidation(organic chemistry) Any reaction that adds the elements of acetamide to a compound, or creates a derivative of acetamideacetamidomethylation(organic chemistry) Reaction with an acetamidomethyl protecting groupacetaminophen(Canada, US) A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.acetanAn extracellular polymeric substance found in Acetobacter xylinum.acetannin(organic chemistry) An acetyl derivative of tannic acidacetation(obsolete, organic chemistry) Synonym of acetification.acetificationThe act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.acetin(organic chemistry) the triglyceride of acetic acidacetogen(biology) Any organism that generates acetic acid or acetate as a product of acetogenesis.acetogenin(organic chemistry) A polyketide.acetoin(organic chemistry) The compound 3-hydroxybutanone CH₃-CO-CH(OH)-CH₃ that is one of the constituents of the flavour of butteracetomannan(biochemistry) An acetylated mannan present in aloeacetominophenMisspelling of acetaminophen.acetonationThe process of acetonating.acetonizationSynonym of acetonation.acetonylation(organic chemistry) A reaction with acetoneacetoorceinA cytological stain made from orcein and acetic acidacetorphanracecadotrilacetoxycrenulatin(organic chemistry) A diterpene isolated from algae of species Dictyota crenulata.acetoxylation(organic chemistry) Any reaction in which an acetoxyl group is addedacetoxypalladation(organic chemistry) A reaction in which an acetoxy group and a palladium atom are attached across a double bond (typically as the first step in another reaction)acetyladonitoxinA particular steroid glycoside.acetylation(organic chemistry) The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.acetyldigitoxin(organic chemistry) A class of cardiac glycoside, an acetyl derivative of digitoxin.acetyldigoxinA cardiac glycoside, an acetyl derivative of digoxin.acetylenation(organic chemistry) Conversion into, or reaction with an acetyleneacetylgitaloxinA particular steroid glycoside.acetylgliotoxin(organic chemistry) The naturally-occurring acetyl derivative of gliotoxinacetylglucocoroglaucigenin(organic chemistry) A rare plant-derived steroidal glycoside (saponin-like compound) consisting of a steroid-like aglycone bound to sugar units, with an additional acetyl group modification attached.acetylglucomannan(biochemistry) A heteropolysaccharide, the acetyl derivative of glucomannan, present in most plantsacetylglucosaminylation(biochemistry) The addition of acetylglucosamine to a moleculeacetylizationSynonym of acetylation.acetylserotonin(organic chemistry) The N-acetyl derivative of serotonin; it is an intermediate in the biosynthesis of melatonin from serotoninacetylstrophanthidin(organic chemistry) A cardiac glycoside, derived from plants like Strophanthus gratus, used for its digitalis-like effects in treating heart conditions.acetyltannin(organic chemistry) Synonym of acetyltannic acid.acetylxylanAny acetylated xylanachatin(biochemistry) A neuroexcitatory peptide, from a snail of the genus Achatina, that enhances the amplitude and frequency of the heartbeat.acheiropoieton(chiefly Eastern Orthodoxy) A religion icon (chiefly of Christ or the Virgin Mary) believed not to have been created by human hands; a miraculous image.achkanA man's knee-length jacket worn in parts of India, Bangladesh, and Pakistan.achorn(Chester, obsolete) An acorn.achrodextrin(biochemistry, cytology) A form of dextrin that is not colourable by iodineachromatin(biology) Tissue that is not stained by fluid dyes.achromatizationThe act or process of achromatizing.achromobactinA siderophore peptide produced by Erwinia chrysanthemi bacteriaachroodextrinAlternative form of achrodextrin.achtbein(mathematics, physics) Synonym of octad.acidificationThe act or process of making something sour (acidifying), or changing into an acid.acidizationThe process of acidizing.acidocinAny of a class of bacteriocins produced by Lactobacillus acidophilus.acidogenAny acidogenic organismacidoglycoprotein(biochemistry) A glycoprotein that has a free, terminal carboxylic acid groupacidomucin(pathology) acidic mucin (observed in some dietary conditions)acidostabilizationstabilization to the presence of acidacidulationThe act of acidulating.acieration(rare) The conversion of iron into steel.acifluorfen(organic chemistry) The herbicide 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acidacifranAn antilipidemic drug.acinarizationThe formation of acini as a result of parenchymal blushacinetobactin(organic chemistry) A siderophore associated with pathogens of the genus Acinetobacter.acinetoferrin(organic chemistry) The siderophore 2-hydroxy-4-[(3-{hydroxy[(2E)-2-octenoyl]amino}propyl)amino]-2-{2-[(3-{hydroxy[(2E)-2-octenoyl]amino}propyl)amino]-2-oxoethyl}-4-oxobutanoic acidacitretin(pharmacology) A retinoid that is used to treat psoriasis.acivicinA glutamine analogue antimetabolite, used as an antineoplastic agent.acketonAlternative form of aketon.acknownpast participle of acknowaclacinomycin(medicine) Any of a group of anthracycline drugs used in the treatment of canceraclarubicin(pharmacology) A particular drug used in chemotherapy.acleidianAlternative form of aclidian.aclidianThat lacks claviclesacnidosporidianAny sporozoan of the subclass AcnidosporidiaacnistinA steroidal lactone found in Acnistus species.acocantherinAlternative form of acokantherin.acochlidianAny sea snail of the order AcochlidiaceaacokantherinA toxic glycoside obtained from a plant in the genus Acokanthera.aconitinArchaic form of aconitine.acornThe fruit of the oak, being an oval nut growing in a woody cup or cupule.acotyledon(botany) A plant that has no cotyledons, as the dodder and all flowerless plants.acousticianOne versed in acoustics, especially a physicist who specializes in acoustics.acousticon(historical) A kind of hearing aid.acquisitionThe act or process of acquiring.acraeinA distasteful substance produced by some butterflies as a defence mechanismacrasinA chemotactic agent produced by some slime mouldsacremanA leader of a plowing team in medieval England.acrichinThe antimalarial drug quinacrine hydrochloride.acridan(organic chemistry) The aromatic secondary amine 9,10-dihydroacridine related to acridineacridianAny of the family Acrididae of grasshoppers, crickets, locusts etc.acridinDated form of acridine.acriflavinAlternative form of acriflavine.acrihellinA cardiotonic drug.acrinathrinA synthetic pyrethroid insecticide used to control Varroa jacobsoni mites and other insects.acrisorcin(pharmacology) A topical antiinfective, typically used as a fungicide, whose active ingredients are 9-aminoacridine and 4-hexylresorcinol.acritan(obsolete) Any animal that is a member of the Acritaacrochordon(medicine) A soft, pedunculated or pensile wart, consisting of myomatous or edematous fibrous tissue, often found on the neck or eyelids of elderly persons.acrogen(biology) any flowerless plant whose growth takes place at the tip of the main stem, especially the cryptogam fernsacrogranin(biochemistry) An acrosomal glycoprotein, rich in cysteine, that is a precursor of granulinsacrolein(organic chemistry) A pungent, acrid, poisonous liquid aldehyde, CH₂=CH-CH=O, made by the destructive distillation of glycerol.acrolithanRelating to, or like, an acrolith.acromion(anatomy) The outermost point of the shoulder blade.acromyodianAny passerine songbird of the former taxon AcromyodiacronSynonym of prostomium.acronymizationThe act, process, or result of turning a phrase into an acronym.acropigmentation(pathology) Abnormal pigmentation of the hands and feet.acropleuronThe small dorsal region of the mesopleuronacropodion(anatomy) The most anterior point of the foot (in humans, the tip of either the first or the second toe) when used as an anatomical landmark.acropolitanOf or befitting an acropolis, especially in lofty glory and in the capacity to inspire awe; compare Acropolitan.acroposthionAlternative spelling of akroposthion.acropsin(biochemistry) Any of a group of opsins found in corals of the genus Acropora.acrosin(biochemistry) A proteolytic enzyme, found in the acrosome of spermatozoa, that enables penetration of the egg.acrosomin(organic chemistry) A lipoglycoprotein complex present in the acrosomeacroterionAlternative form of acroterium.acrothoracicanAny barnacle of the superorder Acrothoracicaacrylamidation(organic chemistry) reaction with an acrylamideacrylation(organic chemistry) Any reaction involving the addition of an acrylate groupacrylodan(organic chemistry) The amine 6-acryloyl-2-dimethylaminonaphthaleneactagardinAlternative form of actagardine.actamyosinMisspelling of actomyosin.actaplaninA complex of broad-spectrum antibiotics made by Actinoplanes bacteria.actedronThe drug amphetamine.actifan(dated, fandom slang) A person, particularly a fan of science fiction, involved in fanac or fan activity.actificationAlternative form of activation.actimycin(medicine) Synonym of azithromycin.actin(biochemistry, countable) One of the six isoforms of actin.actinarianAny sea anemone of the order Actiniariaactineon(obsolete) Obsolete form of actinon (“radon-219”), an isotope of radon.actinianA sea anemone (of the order Actiniaria).actiniarianAny sea anemone of the order ActiniariaactinidainAlternative form of actinidin.actinidin(biochemistry) A protein-digesting enzyme present in kiwi fruit. It is also an allergen.actinin(biochemistry) Any of several microfilament proteins that have a function in the attachment of actin fibres in muscle cellsactinioerythrin(organic chemistry) A particular carotenoid.actiniohematinA pigment (mixture of cytochromes) present in the sea anemone Actinia equina.actinioideanAny sea anemone of the superfamily ActinioideaactinistianRelating to coelacanths (and related fish) of the class Actinistia.actinizoanAlternative form of actinozoan.actinodin(biochemistry) Any of a group of proteins that are essential structural components of fin rays and fin folds of zebrafish.actinohematinAlternative form of actiniohematin.actinohivin(biochemistry) A lectin, that counters HIV, isolated from an actinomycete of the genus LongisporaactinohodinMisspelling of actinorhodin.actinoleukinA toxic antibiotic produced by streptomycete bacteriaactinomycin(biochemistry, pharmacology) Any of a class of toxic polypeptide antibiotics found in soil bacteria of genus Streptomyces.actinomyxidianAny parasitic protozoan of the order Actinomyxidiaactinon(physics, dated) Radon-219 (21986Rn; symbol An), an isotope of radonactinonin(organic chemistry) A peptidomimetic antibacterial antibiotic, 3-[[1-[(2-(hydroxymethyl)-1-pyrrolidinyl)carbonyl]-2-methylpropyl]carbamoyl]octanohydroxamic acidactinophryanOf or relating to the heliozoan genus Actinophrys.actinopilinA seta of some mites of the superorder AcariformesactinoporinA type of actinotoxin that form pores in membranes that contain sphingomyelinactinopterianAny fish of the Actinopteri, variously treated as a clade, class, or sub- or infra-class.actinopterygian(zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.actinopterygiian(ichthyology) Of or pertaining to Actinopterygii, the bony finned fish.actinoptygianAny sea cucumber of the genus Actinopygaactinorhodin(medicine) A benzoisochromanequinone antibiotic produced by Streptomyces coelicoloractinorhodopsinA rhodopsin found in the freshwater actinobacterium Rhodoluna lacicolaactinosporeanA microscopic parasite of the class Myxosporea during an alternate stage of its life cycleactinosporinAny of a group of antibiotics present in marine sponges of the genus ActinokineosporaactinotoxinA toxin derived from extracts of the tentacles of sea anemones.actinozoanSynonym of actinozoon.actinozoon(obsolete, zoology) One of the Actinozoa.actionThe effort of performing or doing something.actisignSynonym of sinsign.actitation(rare) Frequent action; specifically, the debating of lawsuits.activationMaking active and effective; bringing into a state of activity.activinA peptide that participates in the regulation of the menstrual cycle, cell proliferation, apoptosis, metabolism, and many other diverse functions.activizationThe act of activizing.actobindin(biochemistry) A dimeric polypeptide that can bind two molecules of actinactogeninMisspelling of acetogenin.actomyosin(biochemistry) A protein complex composed of actin and myosin, found in muscle fibers.actonAlternative form of aketon.actopaxin(biochemistry) A focal adhesion protein that binds paxillinactophorin(biochemistry) A protein that cuts actin filaments into monomers, found in Acanthamoeba.actualisationAlternative spelling of actualization.actualizationmaking actual or really existentactuarianSynonym of actuarial.actuationThe act of putting into motion.actynopterigianAny fish of the class Actinopterygiiacuation(rare) The act of sharpening.acuition(obsolete) Synonym of acuation (“act of sharpening”).aculeacinAny of a group of lipopeptide antibioticsacumenQuickness of perception or discernment; penetration of mind; the faculty of nice discrimination; acuity of mind.acuminationA sharpening; termination in a sharp point; a tapering point.acupuncturation(medicine, archaic) Acupunctureacustimulation(acupuncture) Electrical stimulation of an acupuncture point, typically to control nausea following chemotherapyacutissimin(organic chemistry) A particular ellagitannin.acutobin(biochemistry) Any of a group of serine glycoprotein proteases.acutorsion(medicine) The twisting of an artery with a needle to arrest hemorrhage.acylation(organic chemistry) The process of adding an acyl group to a compound.acylmercaptan(organic chemistry) An acyl mercaptanacyloin(organic chemistry) Any α-hydroxy ketone.acyloxylation(organic chemistry) Any reaction that adds an acyloxy groupacyronThe use of words incompatible with or contrary to the speaker's meaning.adamalysin(biochemistry) A zinc metalloproteinase present in the venom of rattlesnakes (Crotalus adamanteus)adamanteanOf adamant; hard as adamant.adansonian(biology, of a classification) That gives equal weight to every character of an organismadaptation(uncountable) The process of adapting something or becoming adapted to a situation; adjustment, modification.adaptin(biochemistry) Any of a class of proteins that interact with membrane-bound receptors to assemble clathrin-coated vesiclesadaptionAlternative form of adaptation.adaptogen(alternative medicine) Any natural herbal substance, such as ginseng, that is purported to assist the body to adapt to stress, and to exert a normalizing effect upon body functions.adatanserinA drug once investigated as a possible antidepressant.adaxializationThe process, or the result of adaxializingaddictionThe state of being addicted; devotion; inclination.addisonianAlternative letter-case form of Addisonian.addition(uncountable) The act of adding anything.addlebrainAn addlebrained person.addnAbbreviation of addition.addonAlternative form of add-on.addressation(philosophy) The identification, by an addresse, of an address of an assertion intended by a speakeraddressin(biochemistry) An extracellular protein of the endothelium of venules.addression(obsolete) The act of addressing or directing one's course.addubitationA doubting; insinuated doubt.adducin(biochemistry) Any of a group of related actin-regulating proteins.adductionThe act of adducing or bringing forward.adelphotaxon(taxonomy, systematics) A sister taxon.ademption(law) In the law of wills, the determination of what happens when property left under a will is no longer in the testator's estate when the testator dies.adenain(biochemistry) An endopeptidase that catalyses the cleavage of adenovirus proteinsadenofectionA form of transfection by means of adenovirusesadenophlegmon(obsolete, pathology) inflammation of a lymph glandadenophoreanAny nematode of the class Adenophoreaadenophostin(organic chemistry) A derivative of inositol triphosphate that is a receptor agonistadenoregulinAn antibiotic peptide present in the skin mucus of some frogsadenosylationModification by the addition of adenosyl groupsadenosylcobalamin(biochemistry) cobamamideadenovirionThe virion of an adenovirusadenylation(biochemistry) Any reaction or process that forms an adenylate but especially such a posttranslational modification to a protein.adenylylation(biochemistry) Addition of an adenylyl group (typically from adenosine monophosphate)adephaganAny of many beetles of the suborder Adephaga.adeption(obsolete) An obtaining; attainment.aderminSynonym of pyridoxine.adfluxionAlternative form of affluxion.adhan(Islam) The call to prayer, usually recited by a muezzin before each of the five obligatory daily prayers.adherinA cadherin that regulates the loading of the cohesin complex onto chromosomesadhesin(biochemistry) Any of several factors that enable bacteria to adhere to epithelial surfaces as a step towards infection.adhesionThe ability of a substance to stick to an unlike substance.adhibitionThe act of adhibiting.adhortation(obsolete, rhetoric) advice; exhortationadiaphorization(theology) The act of making into an adiaphoron.adiaphoronAn indifferent matter.adibendan(pharmacology) A phosphodiesterase inhibitor.adicillin(pharmacology) A penicillin antibiotic.adinopectinMisspelling of adiponectin.adipiplon(organic chemistry, pharmacology) A non-benzodiazepine anxiolytic drug.adipocerationThe act or process of changing into adipocere.adipoinductionThe induction of adipocytesadipokinin(biochemistry) A hormone, from the anterior pituitary, that aids the mobilization of fat stored in adipose tissueadipolin(biochemistry) A particular adipokine, encoded in humans by the FAM132A gene.adiponectin(biochemistry) A protein hormone that modulates glucose regulation and fatty acid catabolism.adiponectionMisspelling of adiponectin.adiponutrin(biochemistry) A glycoprotein similar to patatinadipophilin(biochemistry) An adipose differentiation-related protein associated with globule surface membrane materialadipophillinMisspelling of adipophilin.adipsin(biochemistry) A peptidase that is secreted by adipocytes into the bloodstream and is involved in the suppression of infectionaditerenA diuretic drug.adjectionAct of adjecting or adding, or the thing added.adjectivalizationSynonym of adjectivization.adjectivisationAlternative form of adjectivization.adjectivization(grammar) The process or result of adjectivizing; conversion into an adjective.adjoin(transitive) To be in contact or connection with.adjourn(transitive) To postpone.adjudicationThe act of adjudicating, of reaching a judgement.adjunctificationThe tendency of universities to have as many faculty members as possible be adjuncts (who receive lower pay and/or benefits, lack tenure, etc).adjunctionThe act of joining; the thing joined or added.adjurationA grave warning.adjustation(rare) Adjustment.adjuvantationAction of adding an adjuvantadjuvationThe process, or the result of adjuvatingadlectionThe process of adlecting.adlegationA right formerly claimed by the states of the German Empire of joining their own ministers with those of the emperor in public treaties and negotiations to the common interest of the empire.adlocation(grammar) Motion towards something.adlocutionObsolete form of allocution.admanA person in the business of devising, writing, illustrating or selling advertisements.admedian(anatomy) Near the median planeadmenplural of admanadmensuration(archaic) measurement, especially of areaadmin(uncountable, informal) Administration, or administrative work.adminiculation(law) proof; corroborationadministerationMisspelling of administration.administration(government, politics) The country's government under the rule of a particular leader.admirationA positive emotion including wonder and approbation; the regarding of another as being wonderful.admissionThe act or practice of admitting.admixtion(archaic) A mingling of different things; a mixture.admonitionA rebuke by an authority that one has erred and should not persist in one's actions.admortisationAlternative spelling of admortization.admortization(historical, law) In feudal law, the reducing of lands or tenements to mortmain.admotion(obsolete) The process of admoving; motion toward something.adnation(botany) The fusion of different floral verticils or sets of organs.adnominalization(linguistics) the process of transformation into an adnominaladnominationA form of wordplay in which phonetically similar words are juxtaposed.adnoun(grammar) An adjective used as a noun (sensu stricto); an absolute adjective (nominalized adjective).adolapin(biochemistry) An analgetic, antiinflammatory polypeptide present in bee venomadonidin(organic chemistry) A glucoside found in the plant Adonis vernalis (false hellebore, pheasant's eye).adonirubin(organic chemistry) A particular carotenoid.adonitoxinA particular steroid glycoside.adonizationAct or process of adonizing.adoptian(Christianity) A proponent of adoptianism.adoptionThe act of adopting.adoration(countable, religion) An act of religious worship.adornTo make more beautiful and attractive; to decorate.adornation(obsolete) adornmentadosculation(biology, botany) impregnation by external contact, without intromissionadown(archaic) Down, downward; to or in a lower place.adozelesin(biochemistry) One of the duocarmycins.adpersonAn adman or adwoman.adposition(grammar) An element that combines syntactically with a phrase and indicates how that phrase should be interpreted in the surrounding context; a preposition or postposition.adracalin(biochemistry) A component of nuclear pore complex implicated in Triple-A syndromeadrenalectomizationSynonym of adrenalectomy.adrenalinAlternative spelling of adrenaline.adrenocorticotrophin(biochemistry) adrenocorticotropic hormoneadrenocorticotropinAn adrenocorticotropic hormone that is a polypeptide secreted by the anterior pituitaryadrenodoxin(biochemistry) A ferredoxin present in mitochondria of the adrenal cortex.adrenomedulinMisspelling of adrenomedullin.adrenomedullinA peptide associated with a pheochromocytoma (tumor of the adrenal medulla)adrenomodullinMisspelling of adrenomedullin.adrenorphinAn endogenous, C-terminally amidated, opioid octapeptide, produced from proteolytic cleavage of proenkephalin A and widely distributed throughout the mammalian brain.adrenotropinAn adrenotropic hormoneadriablastinSynonym of doxorubicin.adriamycinAn anthracycline antibiotic drug used in cancer chemotherapy.adriatoxinAn analogue of yessotoxin present in some mussels from the northern AdriaticadrogationA kind of adoption in Ancient Rome.adryamicinMisspelling of adriamycin.adscendinA particular steroid glycoside.adscriptionThe state of being joined, bound or annexedadseverin(biochemistry) Synonym of scinderin.adsignification(now rare) additional significationadsorbtionMisspelling of adsorption.adsorptionThe adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.adspectionClose inspection (typically of an animal)adstrictionAlternative form of astriction.adularization(geology) addition of or replacement by adulariaadulationFlattery; fulsome praise.adulterationThe process of adulterating.adultificationThe treatment of a non-adult as an adult.adultizationThe act or process of adultizing.adumbration(uncountable) The state of being in shadow or shade; (countable) a shadow.adunation(archaic) The act of uniting; union.adustionThe act of burning, or heating to dryness; the state of being thus heated or dried.advection(physics) The transport of a scalar by bulk fluid motion.adventitionThe action or fact of occurring adventitiously; extrinsic addition or influence; accidental or incidental occurrence.adverbializationA process of rendering adverbial, of adverbializing.adversionA tendency or wish to avoid someone or something.advesperation(rare, obsolete) The approach of evening.advillin(biochemistry) A gelsolin that regulates the morphogenesis of neuronsadvocation(UK, law) The right of presenting to a vacant benefice or living in the church.advolutionA rolling toward something; goal orientation.advowson(UK, ecclesiastical law) The right to present a nominee to a vacant ecclesiastical benefice or church office.adwomanA woman working in advertising; a female adman.adwomenplural of adwomanadynaton(rhetoric) A form of hyperbole that uses exaggeration so magnified as to express impossibility; an instance of such hyperbole.adynerigenin(organic chemistry) A glycoside with cardiac activity, found in oleander.adynerinA particular steroid glycoside.adyponectinMisspelling of adiponectin.adytonSynonym of adytum.aegerolysin(biochemistry) Any of a group of hemolytic proteins, many of which possess antitumoral, antiproliferative and antibacterial propertiesaegipan(Greek mythology) A goat-like creature resembling a satyr, sometimes portrayed as having a fish's tail.aegypiinAny vulture of the subfamily Aegypiinaeaegyptin(biochemistry) Any of a group of proteins present in the salivary gland of the mosquito (Aedes aegypti)aemulationArchaic spelling of emulation.aeolianof, or relating to the wind.aeolidaceanA sea slug of the suborder Aeolidacea.aeolodicon(music) An obsolete keyed wind instrument resembling the harmonium, its tone produced from steel springs.aeolodionSynonym of aeolodicon.aeolomelodicon(music, historical) An obsolete musical instrument derived from the aeolodicon but having brass tubes affixed to the reeds, making it more like an organ.aeolopantalon(music) An obsolete musical instrument combining the aeolomelodicon with a piano, allowing them to be played separately or together.aeolosaurianAny extinct titanosaur of the clade †AeolosauriniaeonCommonwealth standard spelling of eon.aeonian(Commonwealth) Alternative spelling of eonian.aequoreanAny pelagic hydrozoan of the genus Aequorea.aequorin(biochemistry) A photoprotein, isolated from luminescent jellyfish and other marine organisms, composed of two distinct units: the apoprotein apoaequorin and the prosthetic group coelenterazine.aerarianAn aerarius; the lowest class of citizen in Ancient Rome.aerationThe process by which air is circulated through or mixed with a substance such as soil or a liquid.aerian(rare) Of or belonging to the atmosphere or to the air; aerial.aeriationArchaic form of aeration.aerifaction(obsolete) Aeration; exposure to air.aerificationAeration, especially of the soil.aeroallergenAny airborne allergen (such as pollen)aeroantigen(immunology) An antigen present in the airaerobactinA siderophore produced by the bacterium E. coliaerobeaconA light used to warn aircraft away from tall structures.aerobian(archaic) aerobicaerodigestionaerobic digestionaerodynamicianA person who studies aerodynamics.aeroelasticianA scientist or engineer whose speciality is aeroelasticityaerogenerationPower generation by means of the wind.aerogun(dated) An antiaircraft cannon.aerolizationSynonym of aerosolization.aerolysinA cytolytic pore-forming toxin exported by Aeromonas hydrophila bacteriaaeronavigationThe navigation through air; aerial navigation.aeroplanktonThe tiny lifeforms that float and drift in the air, carried by the current of the wind.aeroscreen(motor racing) A kind of transparent screen fixed in front of the cockpit, to protect the driver from flying debris.aerosensation(neurology) The sensory perception of breathable airaerosolationAlternative form of aerosolization.aerosolisationThe process by which a material, usually a solid or liquid, is dispersed into an aerosol form.aerosolizationThe creation of an aerosol; the creation of a fine mist or many small droplets.aerostation(uncountable, historical) Aerial navigation; the act or science of raising and guiding balloons in the air.aerotrainA train that is supported on a cushion of air, in the manner of a hovercraft.aerotriangulationThe assigning of coordinates to points on the ground by use of aerial photographs.aeroturbationThe mixing of soil by the wind or by gases emitted by decaying organic matteraeruginascin(organic chemistry) An indoleamine derivative, the N-trimethyl analogue of psilocybin, found in the mushrooms Inocybe aeruginascens and Pholiotina cyanopus.aeruginolysin(biochemistry) A proteinase formed by Pseudomonas aeruginosaaeruginosin(medicine) Any of a family of peptidic protease inhibitors produced by the cyanobacterium Microcystis viridisaescinA mixture of saponins with anti-inflammatory, vasoconstrictor and vasoprotective effects, found in Aesculus hippocastanum, the horse chestnut.aesculetinA derivative of coumarin found in chicory and many other plants.aesculinAlternative form of esculin.aestheticanAlternative spelling of aesthetician (“An expert in aesthetics”).aestheticianOne who studies aesthetics; a student of art or beauty.aestheticisationThe act or process of aestheticising.aestheticizationAlternative form of aestheticisation.aestivation(biology) A state of inactivity and metabolic depression during summer: the summer version of hibernation.aethrianAny noctuoid moth in the genus Aethria.aetiolationAlternative form of etiolation.aetokthonotoxinA bromated toxin produced by cyanobacteria, Aetokthonos hydrillicola, that kills birds through AVM (“avian vacuolar myelinopathy”).aetosaurianAny aetosaur of the order †Aetosauriaafadin(biochemistry) An actin filament-binding protein that binds to nectinafamin(biochemistry) A glycoprotein that binds vitamin Eaffabulation(obsolete) The moral of a fable.affectationAn attempt to assume or exhibit what is not natural or real; false display; artificial show.affectionThe act of affecting or acting upon.afferentationThe input of sensory information from a body part to the brainaffiliationThe relationship resulting from affiliating one thing with another.affinationPart of the traditional sugar refining process in which molasses is removed from sugar crystals by washing with a heavy syrupaffinisationAlternative form of affinization.affinition(rare) The state or quality of being affined; mental affinity or attraction.affinization(mathematics) conversion to affine formaffirmationThat which is affirmed; a declaration that something is true.affitin(biochemistry) Any of a group of synthetic proteins that bind antigensaffixation(linguistics) The adding of an affix to a word.affixionThe act of affixing; affixation, affixment, attachment.afflationA blowing or breathing on.afflictionA state of pain, suffering, distress or agony.affluxion(archaic) The act of flowing towards; afflux.afforestationThe act or process of creating a new forest where none had existed before, or reforestation of areas long deforested.afformationMisspelling of affirmation.affrication(phonetics, uncountable, of a consonant) Becoming an affricate sound.affricativization(linguistics) The process of making affricative.affricatizationAlternative form of affrication.affriction(obsolete) The act of rubbing against.affrighten(archaic) To frighten.affusionThe pouring of liquid, especially as a hydrotherapy.afghanA blanket or throw, usually crocheted or knitted.afikomanAlternative spelling of afikomen.afikomen(Judaism) The matzoh eaten at a Passover seder, after dinner.afitin(Africa) A fermented bean (African locust bean (Parkia biglobosa) product used as a condiment in West Africa.aflastatina polyketide that inhibits the production of aflatoxinaflatoxin(toxicology) Any of a family of mycotoxins, produced by molds of the Aspergillus genus, that can be toxic, carcinogenic, mutagenic or teratogenic; typically found as contaminants of animal food or peanuts.aflavarin(organic chemistry) The chromenone 8-[5-(hydroxymethyl)-4,7-dimethoxy-2-oxochromen-3-yl]-4,7-dimethoxy-5-methylchromen-2-one present in the fungus Aspergillus flavusafluzosinMisspelling of alfuzosin.aforegivenGiven or provided previously.aforeknownKnown prior to a given time.aforeseenSeen at an earlier time.aforeshownShown or demonstrated previously.aforespokenSpoken previously.aforestationAlternative spelling of afforestation.aforewrittenWritten before; written previously.afovirsen(pharmacology) A particular antiviral compound.african(nonstandard) Alternative letter-case form of African.africoonianAlternative letter-case form of Africoonian.afrobatrachianAny frog of the clade Afrobatrachia.afroinsectiphilianAny insectivorous mammal of the clade Afroinsectiphilia.afroinsectivoranAny African insectivorous mammal of the mirorder Afroinsectivora.afrotherian(zoology) Belonging or pertaining to the superorder Afrotheria, which includes the elephants, aardvarks, golden moles, tenrecs, etc.aftanoonPronunciation spelling of afternoon.afterbornBorn after the father's death; posthumous.afterbrain(anatomy) A posterior subdivision of the hindbrain; the myelencephalon.afterburdenAlternative form of afterburthen.afterburnThe burning of further calories after the end of a period of vigorous exercise.afterburthen(obsolete) Afterbirth.aftercabin(nautical, now chiefly historical) The cabin in the stern of a vessel, typically used by the captain or senior officers.aftercontractionA contraction of a muscle some time after a stimulus has ceased.afterdepolarizationAn abnormal depolarization of a cardiac myocyte, potentially leading to arrhythmia.afterguardsman(historical, nautical) A member of the afterguard on a sailing shipafterhyperpolarizationThe hyperpolarizing phase of a neuron's action potential.afterimpressionAlternative spelling of after-impression.afternoonThe part of the day from noon or lunchtime until sunset, evening, or suppertime or 6pm.afterpain(pathology, often in the plural) Pain of uterine contractions experienced after childbirth (especially after passage of the placenta).afterperceptionperception of something, such as a sound or image, that is no longer presentafterseenSeen after the fact.aftersensationA delayed sensation; one arising significantly later than the stimulus that caused it.aftersignAn indication of a prior event or condition; a lingering sign or mark; that which remainsaftersunDescribing a cooling or moisturizing lotion applied to the skin after exposure to the sun, especially to soothe sunburn.afunctionLack of function; failure to work properly.afzelechin(organic chemistry) A flavonoid found in Bergenia ligulata.afzelin(organic chemistry) A flavonol glycoside, the rhamnoside of kaempferol, found in Nymphaea odorata (American white waterlily).againAnother time: indicating a repeat of an action.aganirsenAn inhibitor of insulin receptor substrate (IRS)-1 expression.agapanthussaponinAny of several steroid glycosides isolated from plants of the genus Agapanthus.agaration(colloquial, Singapore) Estimationagaricin(organic chemistry) An organic tricarboxylic acid (fatty acid) found in fungi.agarin(biochemistry) muscimolagarofuran(organic chemistry) Any of a class of furans found in agarwood oil.agaropectin(biochemistry) A heterogeneous mixture of smaller molecules making up the part of agar that is not agarose.agathodaemonA benevolent spirit, as opposed to a cacodemon (an evil daemon).agathodaimonAlternative spelling of agathodaemon.agathodemonAlternative spelling of agathodaemon.agatizationThe formation of agate.agatoxinAmy of a family of polypeptide toxins present in the venom of Agelenopsis aperta and similar spidersagavasaponinA particular steroid glycoside, found in plants of genus Agave.agaynObsolete spelling of again.ageanPronunciation spelling of again.agelastatin(organic chemistry, medicine) Any of a family of naturally-occurring oroidin alkaloids having antitumor propertiesagenObsolete spelling of again.agflation(informal) An increase in the price of food crops, especially due to increased demand, and to diversification into the production of biomassaggeneration(rare) The act of producing in addition.aggeration(archaic, rare) A piling up; accumulation.agglomerationThe act or process of collecting in a mass; a heaping together.agglomerinAny of a class of antibiotic produced by bacteria of the species Pantoea agglomeransagglutin(immunology, medicine, rare) Any antibody that causes agglutination of cells.agglutinationThe act of uniting by glue or other tenacious substance; the state of being thus united; adhesion of parts.agglutininA substance that causes particles or cells to clump; it may be an antibody, a lectin, or otherwise.agglutininationThe buildup of agglutinin.agglutinogen(biochemistry) Any antigen that stimulates the production of an agglutininaggradation(geology) Increase in land elevation due to the deposition of sediment.aggrandisationBritish standard spelling of aggrandization.aggrandizationThe act of aggrandizing, or the state of being aggrandized or exalted in power, rank, honor, or wealth; exaltation; enlargement.aggravationExaggerated representation.aggrecan(biochemistry) A proteoglycan, containing chondroitin sulfate, that is a major component of cartilageaggregationThe act of collecting together, of aggregating.aggressin(biology) Any substance, produced in the body by a pathogenic bacterium, that enhances the virulence of the bacteria.aggressionThe act of initiating hostilities or invasion.aggrupation(Philippines) A group, an organization.agin(colloquial or now often humorous) Alternative form of again.agiotensinMisspelling of angiotensin.agitationThe act of agitating, or the state of being agitated; the state of being disrupted with violence, or with irregular action; commotion.agitoxinA peptide toxin in the venom of some scorpionsagluconAlternative form of aglucone.aglutition(medicine) Inability to swallow.aglyconAlternative spelling of aglycone.agnathan(zoology) Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.agnationconsanguinity by a line of males only, as distinguished from cognationagnition(obsolete) Acknowledgement.agnomenAn additional cognomen given, as an honour, to a Roman citizen.agnomination(rhetoric) A paronomasia, or allusion of one word to anotheragnoprotein(biochemistry) Any of a family of viral proteins that play indirect roles in the biological processes and activities of virusesagon(countable) A struggle or contest; conflict; especially between the protagonist and antagonist in a literary work.agoniadinA glucoside found in agonia bark (Plumeria lancifolia), used as an antiperiodic or a febrifuge in malaria.agonizationA process or action of agonizing.agraphonAny of the sayings of Jesus found in various ancient texts but not in the four Gospels.agrarianOf, or relating to, the ownership, tenure and cultivation of land.agrarianizationThe process of moving a societal structure toward an agrarian mode.agressionMisspelling of aggression.agrestianSynonym of agrestic (“rural, rustic”).agribusinessmanA businessman involved in agribusiness.agribusinesspersonA businessperson involved in agribusiness.agribusinesswomanA businesswoman involved in agribusiness.agricolation(obsolete) agricultureagricorporationA corporation involved in agribusiness.agriculturalizationThe process of agriculturalizing.agrimationagricultural automation (robot farming)agrimoniin(organic chemistry) A particular ellagitannin.agrin(predicative) Grinning; having happiness or satisfaction apparent on one's face.agrionAny of several damselflies of the genus Calopteryx (syn. Agrion).agrobusinessmanAlternative form of agribusinessman.agrocinA particular bacteriocin produced by bacteria of species Agrobacterium radiobacter.agroexpression(genetics) expression of a gene by means of agroinfiltrationagroextractionThe extraction of a useful product from an existing agricultural materialagroindustrializationIndustrialized production of livestock, poultry, fish and crops.agroinfectionviral infection via an agrobacteriumagroinfiltration(biology) The introduction of a suspension of Agrobacterium into a plant in order to add a specific geneagroinjectionThe process, or the result of agroinjecting.agroinoculationThe inoculation of agricultural plantsagronAbbreviation of agronomy.agropolitanRelating to an agrocity.agropollutionPollution that results from agricultural practices.agroproductionagricultural productionagrotechnicianAn agrotechnology worker.agrotownSynonym of agrocity.agrotransformation(genetics) Agrobacterium-mediated transformation, usually performed on plants to introduce new genesagudization(rare) Exacerbation, worsening.agurin(medicine) acetaminophenagyen(Geordie) againahnPronunciation spelling of on.ahumanSynonym of nonhuman.aidmanAn army medical corpsman attached to a field unit.aikyon(physics) An elementary particle in octonionic spaceaileronThe hinged part on the trailing edge of an airplane wing, used to control longitudinal turns.ailuropodinAny giant panda of the subfamily Ailuropodinaeain(Scotland) Own; belonging to one.aionianAlternative spelling of eonian.airanA Turkish cold drink made from yoghurt and water with salt and sometimes herbs.airblownAlternative spelling of air-blown.airbrasion(dentistry) The delivery of a jet of sodium bicarbonate slurry at teeth in order to remove stains.aircon(UK, Philippines, Singapore, Indonesia, Malaysia, Brunei, Hong Kong, New Zealand, abbreviation, informal) Alternative form of air-con (“air conditioning”).airconditionAlternative form of air-conditionaircraftmanA member of the lowest rank in the Royal Air Force or the air forces of various other Commonwealth countries.aircraftsmanAn aircraftman.aircraftswomanAn aircraftwoman.aircraftwomanA female aircraftman.aircrewmanA member of a military aircrew.airdrawnvisionary; imaginary; lacking foundation in realityairgunAlternative spelling of air gun.airhornA noise-making device that blasts compressed air through a hornairmanA pilot of an aircraft.airmenplural of airmanairn(UK, dialect) To earn.airohydrogenOf, or using a mixture of, hydrogen and air.airpersonAn airman or airwoman.airwomanA woman who flies in an aircraft; a female aviator.aition(Greek mythology) An origin story or myth in Ancient Greece.aiwainAlternative form of ajwain.aiwanAlternative form of iwan.ajaxification(programming) The use of Ajax in JavaScript source code.ajonA type of beer brewed from finger millet in northern and eastern Uganda.ajouanAlternative form of ajwain.ajowainAlternative form of ajwain.ajowanAlternative form of ajwain.ajwainA plant in the family Apiaceae (Trachyspermum ammi).ajwanAlternative form of ajwain.ajwayanAlternative form of ajwain.akanthionAlternative form of acanthion.aken(obsolete) To bear, give birth to. (Usually in the past participle.)aketon(historical) A stuffed jacket worn under the mail, or (later) a jacket plated with mail.akinOf persons, of the same kin; related by blood.akropodionAlternative form of acropodion.akroposthion(anatomy, urology) The tip of the foreskin which extends beyond the glans.akroterionAlternative form of acroterium.aktonObsolete form of actinon.alabastrianAlternative form of alabastrine.alabastronA kind of ancient pottery vase used for holding oils, and originally made from alabaster.alafosfalin(pharmacology) A phosphonopeptide antibiotic.alamethicin(medicine) A peptide antibiotic containing the amino acid 2-aminoisobutyric acid that is not found in proteinsalanAlternative form of alaunt.alaninArchaic form of alanine.alantin(biochemistry, obsolete) Inulin.alanylation(organic chemistry) The introduction of an alanyl group into a moleculealaphosphin(organic chemistry) A phosphonic acid derived of alanine that is an antibacterial peptide mimeticalarmin(biochemistry) Any endogenous substance that signals tissue and cell damagealaternAn ornamental evergreen shrub (Rhamnus alaternus; Italian buckthorn).alation(uncountable) The state of being winged.alatrofloxacin(pharmacology) A fluoroquinolone antibiotic.albamycinSynonym of novobiocin.alban(chemistry, now rare) A white crystalline resinous substance extracted from gutta-percha by the action of alcohol or ether.albication(chiefly botany) The process of becoming white, or developing white patches or streaks, generally as a crop disease.albification(obsolete) The act or process of making white.albiflorin(organic chemistry) A neuroprotective monoterpene glycoside present in the roots of Paeonia lactifloraalbinterferonA recombinant fusion protein drug consisting of interferon alpha (IFN-α) linked to human albumin.albitisationAlternative form of albitization.albitization(mineralogy) conversion into albitealboaggregin(biochemistry) Any of a group of proteins that are platelet agonistsalbocerulean(entomology) A small lycaenid butterfly, Udara albocaerulea, of Asia.albolabrin(biochemistry) A particular disintegrin.albomycin(medicine) An antibiotic, found in Actinomyces subtropicus, used against penicillin-resistant infectionsalbondin(pharmacology, biochemistry) A cell receptor that binds albumin.albonoursinAn antibacterial diketopiperazine peptide produced by Streptomyces noursei.albumenThe white part of an egg; being mostly the protein albumin and water.albumenizationAlternative form of albuminization.albumin(biochemistry) Any of a class of monomeric proteins that are soluble in water, and are coagulated by heat; they occur in egg white, milk etc; they function as carrier protein for steroids, fatty acids, and thyroid hormones and play a role in stabilizing extracellular fluid volume.albuminizationA conversion into albumin.alburnThe bleak, a small European fish with silvery scales.albutanninexsiccated tannin albuminatealbutoin(pharmacology) An anticonvulsant drug.alcaliginA siderophore produced by bacteria of the family Alcaligenaceae.alcalinizationMisspelling of alkalinization.alcelaphinAlternative form of alcelaphine.alchochoden(obsolete, UK, dialect, astrology) The planet which bears rule in the principal places of an astrological figure when a person is born.alcoholisationAlternative form of alcoholization.alcoholizationSaturation with alcohol.alcyonArchaic form of halcyon.alcyonacean(zoology) Any member of the Alcyonacea; a soft coral.alcyonacianAlternative form of alcyonacean.alcyonarian(zoology) Any of the Alcyonaria, a subclass of the Anthozoa.aldermanA member of a municipal legislative body in a city or town.aldermenplural of aldermanaldern(obsolete) Made of alder wood.alderperson(uncommon) An alderman of any gender (gender-neutral); a member of a city council.alderwomanA female alderman.alderwomenplural of alderwomanaldesleukinA particular therapeutic interleukin.aldolization(organic chemistry) The formation of an aldol, normally from a corresponding aldehyde or ketonealdrinAn insecticide and persistent organic pollutant containing a naphthalene-derived compound.aleation(art, rare) Aleatoricism.alectorianAlternative form of alectoria.alembicationThe act of making something more refined or pure; distillation.alerion(heraldry) A heraldic eagle, especially one displayed without legs/feet or beak.alestinSynonym of azelastine.alethinophidianAny snake of the infraorder Alethinophidiaaleurain(biochemistry) A protease, found in barley, related to cathepsinaleuronAlternative form of aleurone.alevinNewly hatched fish, especially salmon.alexin(biochemistry, dated) A protective substance that exists in the serum or other bodily fluid and is capable of killing microorganisms; complement.alexipharmaconAn antidote to a poison.alexipharmakonAlternative form of alexipharmacon.alfaquinAlternative form of alfaqui.alfatoxinMisspelling of aflatoxin.alfin(chess, historical) A bishop.alfuzosinAn α₁ receptor antagonist used to treat benign prostatic hyperplasia.algarrobin(historical) A dyestuff made from the wood of Ceratonia siliqua, the European carob tree.algebraization(mathematics) conversion to algebraic formalgebricianSynonym of algebraist.algebrization(mathematics) Alternative form of algebraization.alginAny of various gelatinous gums, derivatives of alginic acid, derived from marine brown algae and used especially as emulsifiers or thickeners.algocyan(organic chemistry, archaic) A blue pigment found in algae, soluble in water and glycerol, with intense red fluorescence.algoneuron(anatomy) A peripheral afferent which, when activated, evokes a sensation of painalgorithmicizationThe process of algorithmicizing.algorithmizationThe process of algorithmizing.alicaforsenA drug under investigation for the treatment of inflammatory bowel disease.alicorn(fantasy, proscribed) A mythological creature, a mixture of pegasus and unicorn: a winged horse with a single horn on its head.alienA person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.alienationThe act of alienating.alienisationBritish standard spelling of alienization.alienizationThe process of alienizing something.alightenTo alight, to dismount or get down from.align(intransitive) To form a line; to fall into line.alineationAlternative form of allineation.aliquotation(chemistry) The preparation of an aliquotaliskiren(pharmacology) A renin inhibitor that is used in the treatment of hypertension.alisonSynonym of alyssum.alitretinoin(organic chemistry, pharmacology) A particular antineoplastic drug.alitretionin(organic chemistry, pharmacology) A form of retinoic acid used as dermatological productalizarin(organic chemistry) A red substance, 1,2-dihydroxyanthraquinone, extracted from madder root and used as a dye.alkaligen(obsolete) The name first proposed for nitrogen, as being a chief constituent of ammonia or volatile alkali.alkalinisationAlternative form of alkalinization.alkalinizationThe conversion of something to an alkali.alkalisationAlternative form of alkalization.alkalizationSynonym of alkalinization.alkanninA natural dye and naphthoquinone derivative obtained from the borage plant Alkanna tinctoria, used as a food colouring and in cosmetics.alkanoylation(organic chemistry) The process of adding an acyl group to a compound.alkargen(obsolete, organic chemistry) cacodylic acidalkarsin(organic chemistry) cacodylalkenylation(organic chemistry) reaction with an alkene, especially an addition reactionalkin(obsolete except Midlands, Northern England, Scotland) Of all or every kind; all kinds or sorts of; intermingled and various.alkoxycyclization(organic chemistry) A reaction in which the addition of an alkoxy group to one carbon atom of a double or triple bond is accompanied by cyclizationalkoxylation(organic chemistry) A reaction with an alkoxy group, an alkoxide or an epoxide.alkylamidation(organic chemistry) amidation involving an alkyl amidealkylation(organic chemistry) Any reaction in which an alkyl group is added to a molecule; used in the production of high-octane petroleum fuels.alkyloxylationAlternative form of alkoxylation.alkynylation(organic chemistry) reaction with an alkyneallamandin(organic chemistry) An iridoid lactone found in Allamanda species.allantochorionthe allantochorion is a fusion of the chorion with the allantois and ensures gas exchange of the fetus.allantoin(biochemistry) A diureide of glyoxylic acid, used in various pharmaceutical and cosmetic products; or a derivative of this compoundallatostatin(biochemistry) Any of a class of neuropeptide hormones in insects and crustaceaallatotropinAny of a family of pleiotropic neuropeptides which play multiple neural, endocrine and myoactive roles in insectsallectation(obsolete) enticement; allurementallegationAn assertion, especially an accusation, not necessarily based on facts.allegorizationThe act of making into allegory, or of understanding in an allegorical sense.allergen(medicine) A substance which causes an allergic reaction.allergisationAlternative form of allergization.allergization(immunology) sensitization to an allergenallerionAlternative form of alerion.allethrinEither of a pair of related synthetic pyrethroids used in insecticides to paralyse the nervous system.alleviationThe act of alleviating; relief or mitigation.allicin(organic chemistry) An organic compound, diallyl thiosulfinate, obtained from garlic, with a variety of medicinal and antibacterial properties.alligationMisspelling of allegation.alliin(biochemistry) A sulfoxide derived from cysteine, primarily responsible for the aroma of freshly chopped garlic.allineationalignment; position in a straight line, as of two planets with the sunalliotoxinA particular steroid glycoside.allision(nautical) The striking of a vessel against a fixed object; the act of alliding or an instance thereof.alliterationThe recurrence of the same letters or sounds in accented parts of words, as in Anglo-Saxon alliterative meter.allixinA chemical derived from encrustation on aged garlic cloves, 3-hydroxy-5-methoxy-6-methyl-2-pentyl-4H-pyran-4-onealloactivation(immunology) activation of alloimmunityalloalbumin(genetics, biochemistry) Any of a group of genetically-related albumins found in blood serumalloantigen(genetics) Any antigen, present in only some individuals of a species, that stimulates the production of antibodies in those that lack it; an isoantigenallobetulinA naturally-occurring isomer of betulinallocationThe process or procedure for allocating things, especially money or other resources.allochthon(geology) A geological formation not formed in the region where found and moved to its present location by tectonic forces. Compare autochthon.allocutionA formal speech, especially one which is regarded as authoritative and forceful.allocyaninSynonym of neocyanine.allocyathin(organic chemistry) Any of a family of cyathin diterpenes found in fungi of the genus Cyathus.allodaposuchianAny eusuchian crocodylomorph of the genus AllodaposuchusallodepletionThe removal (or reduction) of alloreactive T cellsallodificationConversion to the allodial system.allodigitalinA particular steroid glycoside.allodiploidization(genetics) Conversion to allodiploid formalloduplication(genetics, rare) duplication of genetic material in allopolyploidsalloemicymarinA particular steroid glycoside.alloexpansionThe expansion of alloreactivity after transplantationalloferonAny of a particular family of insect tridecapeptide immunomodulatory peptidesallohexaploidization(biology) The replication of the genome of an organism to form an allohexaploidalloimmunisationAlternative form of alloimmunization.alloimmunizationThe process of becoming alloimmune.allomerisationAlternative form of allomerization.allomerizationThe interconversion of allomeric forms.allometronA quantitative change or the genesis of new proportions of an already existing character.alloneogitostinA particular steroid glycoside.allopathogenAn allopathic pathogenalloperiplocymarinA particular steroid glycoside.allophycocyanMisspelling of allophycocyanin.allophycocyanin(biochemistry) Any of a group of accessory pigments to chlorophyllalloploidisationAlternative form of alloploidization.alloploidizationSynonym of allopolyploidization.allopolyploidisationAlternative form of allopolyploidization.allopolyploidization(genetics) The process of allopolyploid formationallopreen(of a bird) To preen another birdalloproliferation(genetics) allogeneic proliferationalloproteinA synthetic protein, especially one that contains an amino acid that is not found in natureallopumiliotoxinAny of a group of toxic alkaloid related to pumiliotoxinalloreaction(immunology) An immune response to an alloantigenallorecognitionThe ability of an individual organism to distinguish its own tissues from those of another.allorejectionallogeneic rejectionallosamidin(organic chemistry) A polycyclic carbohydrate amide that is a chitinase inhibitorallosensitisationAlternative form of allosensitization.allosensitizationsensitization to foreign tissueallostimulationstimulation by an alloantigenallotetraploidisationAlternative form of allotetraploidization.allotetraploidization(genetics) allogeneic tetraploidization; modification to become allotetraploidallotetrapolyploidization(genetics) Modification to allotetrapolyploid formallotherian(zoology) Any member of the infraclass †Allotheria of extinct mammals.alloton(physics) A particle that carries an imaginary electric charge; posited to account for dark matterallotransplantation(surgery) transplantation of organs or tissues between genetically different individuals of the same speciesallotwinA twin crystal whose individuals are oriented crystal associations of different polytypes of the same compoundallovein(surgery) A vein from a donoralloxan(biochemistry) An oxidation product of uric acid, 2,4,5,6(1H,3H)-pyrimidinetetrone, capable of inducing diabetes by destroying pancreatic tissuealloxanthin(organic chemistry) A particular carotenoid.alloxantin(organic chemistry) A hemiacetal formed by alloxan with its reduced reaction product dialuric acid.allterrain(nonstandard) Alternative spelling of all-terrain.allthornThe plant Koeberlinia spinosa.allusionAn indirect reference; a hint; a reference to something supposed to be known, but not explicitly mentioned.alluviationThe deposition of alluvium (sediment) by a river.alluvion(law) The increase in the area of land due to the deposition of sediment (alluvium) by a river.allylation(organic chemistry) Any reaction that introduces an allyl group.allylboration(organic chemistry) Any addition reaction in which an allyl group and a boronate are added across a double bond or triple bondallylmercaptomethylpenicillinSynonym of penicillin O.almainAlternative form of Almain (“type of dance”).almandinAlternative form of almandine.almecillin(pharmacology) allylmercaptomethylpenicillinalmendronThe brazil nut tree.alminoprofen(pharmacology) A nonsteroidal anti-inflammatory drug.almotriptanA triptan drug for the treatment of migraine.almsman(obsolete) One who depends on the receipt of alms, a beggar.almsmenplural of almsmanalmswoman(archaic) A woman who depends on the receipt of alms; a female beggar.alniditanA serotonin agonist.alnitidanA 5-HT_(1D) receptor agonist with migraine-preventative effects.alnuin(organic chemistry) The active principle of Alnus rubra.alnulin(biochemistry) taraxasterolalnumycinAn aromatic polyketide with antimicrobial activity.alnusiin(organic chemistry) A particular ellagitannin.aloanEye dialect spelling of alone.aloesaponarin(organic chemistry) Any of a small group of anthraquinone derivatives that occur in the roots of Aloe saponariaaloesin(organic chemistry) A derivative of aloe vera.alogliptin(pharmacology) An antidiabetic drug.aloin(pharmacology) A glycoside derivative of anthracene, found in aloe, that is used as a laxative.alongshoreman(archaic) Alternative form of longshoreman, a wharfinger or stevedore.alopecianSuffering from or associated with hair loss.alosetron(pharmacology) A 5-HT₃ antagonist used for the management of severe diarrhea-predominant irritable bowel syndrome in women.aloxiprinaluminium acetylsalicylate, a drug used to treat pain and inflammation associated with muscular skeletal and joint disorders.aloxistatinA protease inhibitor drug.alpeen(Ireland) A thick, knotted club or shillelagh.alpenhornAlternative spelling of alphorn.alphabetarianOne who is learning the alphabet; an abecedarian.alphabetician(rare) One who deals with the alphabet in some way, for example by attempting to make a series of utterances beginning with each letter of the alphabet in order.alphabetisationNon-Oxford British English standard spelling of alphabetization.alphabetizationThe act or process of arranging in alphabetical order.alphacypermethrinAn isomer of cypermethrin.alphafetoprotein(biochemistry) A protein produced in the fetal liveralphafoetoproteinAlternative form of alphafetoprotein.alphaglobinAlternative form of alpha globin.alpharadin(inorganic chemistry, medicine) The dichloride of an isotope of radium that is used as a cancer therapyalphatronA kind of ionization tube for measuring vacuum.alphinAlternative form of alfin.alphorn(music) A long, curved, wooden horn used by mountain-dwelling herders in the Alps, originally to call cattle but now only as musical instrument in classical and folk tunes.alphostatin(organic chemistry) A phosphopeptide, 1-O-[(2S,3S)-2-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-3-methylpentanoyl] 5-O-phosphono (2S)-2-[[(2S)-5-amino-2-[[(2S)-2-amino-3-hydroxypropanoyl]amino]-5-oxopentanoyl]amino]pentanedioate, that is a phosphatase inhibitoralpinetin(organic chemistry) The chromenone (2S)-7-hydroxy-5-methoxy-2-phenyl-2,3-dihydro-4H-chromen-4-one present in some ginger plants (of the genus Alpinia)alrestatinAn aldose reductase inhibitor.alsatianAlternative letter-case form of Alsatian.alseroxylonA purified extract of the root of Rauvolfia serpentina, used as a norepinephrine reuptake inhibitor in the treatment of hypertension and angina pectoris and as a sedative in psychosis.alstonidinAlternative form of alstonidine.alstoninAlternative form of alstonine.altanserinA compound that binds to the 5-HT_(2A) receptor in the brain, used as a radioligand when labelled with fluorine-18.altcoin(cryptocurrencies) A cryptocurrency other than bitcoin.alterationThe act of altering or making different.altercation(countable) An angry or heated dispute.altern(obsolete) Acting by turns; alternate.alternan(biochemistry) The glucan produced by the enzyme alternansucrase.alternateenA teenager with an interest in alternative rock and the associated youth counterculture, particularly with visible markers such as piercings.alternation(religion) The response of the congregation speaking alternately with the minister.alterobactinAny of a group of peptidic siderophores produced by bacteria of the genus AlteromonasaltertoxinAny f a group of toxic secondary metabolites produced by fungi of the genus Alternariaalthesin(medicine) A hypnotic agent that is a mixture of alphaxalone and alphadolonealthiomycin(organic chemistry) A tricyclic thiazole derivative that is an antibioticalthorn(music) An alto or tenor saxhornaltinAlternative form of altyn (“obsolete Russian coin”).altiplanationA form of erosion forming large flat surfaces at high altitudes.altitudinarianLofty in doctrine, aims, etc.altohyrtin(organic chemistry) spongistatinaltyn(numismatics) An obsolete Russian coin worth three kopeks.alumian(mineralogy) natroalunitealuminian(mineralogy) Containing aluminium cations.aluminonThe triammonium salt of aurintricarboxylic acid, commonly used as a dye to detect the presence of the aluminium ion in an aqueous solution.alumnAlternative spelling of alum.alunogen(mineralogy) An aluminium sulfate mineral often found on the walls of mines and quarries.alvarezsaurianAny extinct maniraptoran dinosaur of the superfamily AlvarezsauroideaalveicinA particular bacteriocin produced by the bacterium Hafnia alvei.alveolarisationAlternative spelling of alveolarization.alveolarization(anatomy) The formation of alveoli.alveolation(geology) An eroded structure of honeycomb-like cavitiesalveolin(biochemistry) A type of protease similar to astacinalveolisationAlternative form of alveolization.alveolizationThe process or result of becoming alveolate.alveolysinA hemolysin, similar to listeriolysin, produced by Bacillus alveialvespimycin(pharmacology) A semisynthetic derivative of geldanamycin.alvimopan(organic chemistry, pharmacology) A particular narcotic painkiller.alvinellacinAn antimicrobial peptide present in the polychaete worm Alvinella pompejanaalypinThe local anesthetic benzoyltetramethyl-diaminoethyl-dimethyl-carbinol hydrochloride.amadanAlternative form of omadhaun.amadawnAlternative form of amadan.amain(British, dialectal) Out of control.amalgamationThe process of amalgamating; a mixture, merger or consolidation.amalgamizationThe process or result of amalgamizing.amandation(obsolete) The act of sending someone away.amanitin(biochemistry) A deadly amatoxin found in Amanita phalloides (the death cap), the four destroying angels (Amanita bisporigera, Amanita ocreata, Amanita verna, and Amanita virosa), and some other amanitas.amantocillin(pharmacology) A penicillin antibiotic.amanullinA cyclopeptide amatoxinamaranthin(organic chemistry) A derivative of betanin.amarantinAlternative form of amaranthin.amarogentin(organic chemistry) A bitter secoiridoid glycoside found in gentian (Gentiana lutea) and in chiretta (Swertia chirata).amastatinA peptide that inhibits aminopeptidasesamastin(biochemistry) A transmembrane glycoprotein found in trypanosomatid parasitesamateurizationThe process of amateurizing.amatorian(obsolete) amatoryamatoxin(toxicology) Any of a class of toxic peptides produced by several mushrooms of the genus Amanita and others.amavadin(biochemistry) A complex anion, containing vanadium, found in some species of Amanita mushroomsamazonA tall, strong, athletic woman.amazonianAlternative letter-case form of Amazonianamban(now historical) A Chinese official under the Qing Dynasty, especially the ranking official or provincial governor in a semi-independent territory under Chinese rule.ambenoxanA muscle relaxant.ambiguationact of ambiguatingambiposition(linguistics) An adposition that can occur either before or after its complement.ambition(countable) An object of an ardent desire.ambiversion(psychology) A personality trait having balanced characteristics of both extroversion and introversion.amblyceranAny louse of the suborder Amblyceraamblygon(geometry, obsolete, rare) An obtuse-angled shape, especially an obtuse triangle.ambonAlternative form of ambo.ambreinA fragrant substance (a triterpenoid alcohol) derived from ambergris, used in the perfume industry.ambrisentan(organic chemistry, pharmacology) A drug, an endothelin receptor antagonist used to treat pulmonary hypertension.ambrosin(numismatics) An early coin struck by the dukes of Milan, and bearing the effigy of St. Ambrose on its horseback.ambruticinAn antifungal drug.ambulacrarianAny animal of the clade AmbulacrariaambulancemanA man who is a driver of an ambulance or a member of its crewambulanceperson(rare) An ambulanceman or ambulancewoman.ambulancewomanThe female equivalent of an ambulanceman.ambustion(medicine, obsolete) A burn or scald.amebanOf, pertaining to, or resembling an amoeba.amebeanAlternative spelling of amoebean.amedalinAn antidepressant drug, synthesised in the 1970s but never marketed.ameen(India, historical) Any of various native Indian officials employed by the civil courts, for example to investigate accounts connected with a suit, to prosecute local enquiries of any kind bearing on a suit, to sell or to deliver over possession of immovable property, or to carry out legal process as a bailiff.amelcorn(archaic) Any of several types of awned wheat having a high starch content, especially emmer (Triticum turgidum subsp. dicoccum).ameliorationThe act of making better.ameloblastin(biochemistry) A protein, formed in the ameloblasts, that is found in the enamel of teethamelogenin(biochemistry) A protein found in the enamel of teethamelogininMisspelling of amelogenin.amelotin(biochemistry) A protein secreted by ameloblasts during tooth developmentamenAt the end of religious prayers: so be it.amendation(US) The result of making an amendment to a document etc; an amendmentamericanizationAlternative form of Americanisation.ameridelphianAny of the superorder Ameridelphia of marsupials.ametabolian(zoology) Of or pertaining to insects that do not undergo metamorphosisamethopterin(pharmacology, dated) Synonym of methotrexate.ametoctradin(organic chemistry) A particular triazolopyrimidine fungicideamibegronA drug that acts as a selective agonist for the β₃ adrenergic receptor, with antidepressant and anxiolytic effects.amicetinA particular antibiotic isolated from Streptomycesamicoumacin(organic chemistry) Any of a class of antibiotic phenolic lactones, based on (2S,3S,4S)-4-amino-2,3-dihydroxy-N1-{(1S)-1-[(3S)-8-hydroxy-1-oxo-3,4-dihydro-1H-isochromen-3-yl]-3-methylbutyl}hexanediamide, produced by Bacillus pumilusamicyanin(biochemistry) A specific protein that plays a role in electron transfer, containing a copper atom.amidation(organic chemistry) Reaction with, or formation of, an amide.amidification(organic chemistry) The formation of an amide from a carboxylic acid by reaction with an amineamidin(archaic, chemistry) Starch modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.amidiniumation(organic chemistry) Reaction with, or formation of an amidinium cationamidoalkylation(organic chemistry) Formation of, or reaction with an amidoalkyl radicalamidogen(inorganic chemistry, dated) The amino radical, •NH₂, the neutral form of the amide ion −NH₂⁻, regardable as the ammonia molecule with one of its hydrogen atoms removed.amidoglycan(biochemistry) A glycan that is bonded to the amine part of a peptideamidomethylation(organic chemistry) Any reaction that adds an amidomethyl groupamidulinsoluble starch, so rendered by boiling or treating with hydrochloric acidamifloxacin(pharmacology) A fluoroquinolone antibiotic.amikacin(pharmacology) A semisynthetic aminoglycoside antibiotic that is derived from kanamycin and is administered intravenously or intramuscularly in the form of its sulfate C₂₂H₄₃N₅O₁₃·2 H₂SO₄ to treat serious bacterial infections.amin(historical) An arbitrator who assessed and collected revenue in the pargana.amination(organic chemistry) The introduction of one or more amino groups into a compound.aminoacetylation(organic chemistry) aminoacylation by an aminoacetyl groupaminoactinomycin(organic chemistry) Any amino derivative of an actinomycinaminoacylation(biochemistry, organic chemistry) The addition of an aminoacyl group to a compound, especially as part of the process of synthesizing proteins via aminoacyl tRNA synthetaseaminoalkylation(organic chemistry) Any reaction that adds aminoalkyl groupsaminoalkynylation(organic chemistry) The introduction of an aminoalkynyl group into a moleculeaminoarylation(organic chemistry) A reaction that adds an aryl group and an amino group across a double bondaminocandinAn echinocandin antifungal that targets the glucan in fungal cell walls.aminocarbonylation(chemistry) Any reaction that forms an amide bond between an amine and a carbonyl compound.aminocarboxypropylation(organic chemistry) reaction with an aminocarboxypropyl groupaminocephalosporinAny of a class of antibiotics that are amino derivatives of cephalosporinsaminocoumarinAny of a class of antibiotics that act by inhibition of the DNA gyrase enzyme involved in bacterial cell division.aminodextranAn aminoglycan related to dextranaminoglycan(organic chemistry) Any glycan composed of amino sugar moietiesaminohydroxylation(organic chemistry) Any addition reaction in which an amino and a hydroxyl group are added across a double bond or triple bondaminoluciferin(organic chemistry) Any amino derivative of luciferinaminomethylation(organic chemistry) Any reaction that adds an aminomethyl groupaminomethylcoumarin(organic chemistry) A coumarin that has both an amino and a methyl substituent, typically 7-amino-4-methylcoumarinaminooxygenation(organic chemistry) Any reaction in which an amine and an oxygen radical are added across a double bondaminopalladation(organic chemistry) Any reaction that adds an amino group and a palladium atom across a double bondaminopenicillinAny of a group of penicillin antibiotics, including ampicillin, amoxicillin, and bacampicillin.aminophenSynonym of acetaminophen.aminophyllinAlternative form of aminophylline.aminopterin(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.aminopyran(organic chemistry) Any amino derivative of a pyranaminotetralinAny of a class of stimulant drugs consisting of a tetralin group combined with an amine.aminoxylation(organic chemistry) nitrosylationaminylation(biochemistry) Modification (typically of a protein by reaction with an amine (typically an amino acid)amiodaronAlternative form of amiodarone.amiquinsinA particular antihypertensive drug.amission(obsolete) deprivation; lossammodytinAny of a class of toxins found in certain snake venoms.ammodytoxinAny of a family of phospholipases, present in the venom of Vipera ammodytes, that are presynaptic neurotoxinsammonian(mineralogy) Containing ammonium cations.ammoniaporin(physiology, biochemistry) A mitochondrial membrane channel permeable to ammonia.ammoniation(chemistry) Treatment or reaction with ammonia.ammonification(biochemistry) The formation of ammonia or its compounds from nitrogenous compounds, especially as a result of bacterial decomposition.ammonisationSynonym of ammoniation.ammonizationSynonym of ammoniation.ammoxidation(organic chemistry) The reaction of ammonia and oxygen with any of several classes of organic compoundammunitionArticles used in charging firearms and ordnance of all kinds; as powder, balls, shot, shells, percussion caps, rockets, etc.amniochorion(anatomy, zoology) The amnion and chorion considered as a single unit.amnioinfusionA method of thinning thick meconium that has passed into the amniotic fluid.amnion(anatomy) The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.amniopterinMisspelling of aminopterin.amnioreduction(surgery) The removal of excess amniotic fluid.amoebaeanAlternative form of amoebean.amoebanAlternative spelling of ameban.amoebazoanMisspelling of amoebozoan.amoebeanDescribing a form of prosody (amoebaeum) featuring alternating responses.amoebian(zoology) One of the amoebae.amoebozoan(biology) Any protozoa of the kingdom (or phylum) AmoebozoaamoebozoonAny organism of the phylum AmoebozoaamogastrinA diagnostic reagent.amolition(obsolete) A putting away; a forcible removal; the act of amolishing.amorfrutin(organic chemistry) Any of a class of isoprenoid-substituted benzoic acid derivatives found in Amorpha fruticosa.amorolfinAlternative spelling of amorolfine.amorphisationAlternative spelling of amorphization.amorphizationThe conversion of a crystalline material into an amorphous one.amortisationNon-Oxford British English standard spelling of amortization.amortizationThe reduction of loan principal over a series of payments.amotionremoval; oustingamoxicillin(pharmacology) A moderate-spectrum, bacteriolytic beta-lactam antibiotic with the formula C₁₆H₁₉N₃O₅S, closely related to ampicillin.amoxycillin(pharmacology) UK spelling of amoxicillin.ampelopsin(organic chemistry) A flavanonol found in the Japanese raisin tree and other plants, and used for various purposes in traditional Asian medicine.amphibactinAny of a group of siderophores produced by marine bacteriaamphiberingianOn each side of the Bering Strait.amphibianOf or relating to the class Amphibia.amphibolitizationConversion into amphibolite.amphibolizationAlternative form of amphibolitization.amphichelydianAny extinct turtle of the suborder Amphichelydiaamphicoelianamphicoelousamphictyon(Ancient Greece) One of the deputies from the confederated states of Ancient Greece to a congress or council. They considered both political and religious matters.amphidiploidization(genetics) The process of becoming amphidiploidamphidiscophoranAny glass sponge of the subclass AmphidiscophoraamphidomataceanAny protist of the family Amphidomataceaeamphiesmenopteran(entomology) Any insect of the taxon Amphiesmenoptera - including lepidopterans (butterflies and moths).amphigean(archaic) Extending over all the zones of the Earth, from the tropics to the poles.amphilepididanRelating to the amphilepididsamphiphysin(biochemistry) Any of a class of protein associated with the cytoplasmic surface of synaptic vesiclesamphiplatianAlternative form of amphiplatyan.amphiplatyan(anatomy, of a vertebra) Having flat surfaces at both endsamphipodan(zoology) Relating to the amphipods.amphiregulin(biochemistry) A particular autocrine growth factoramphisbaenian(zoology) Any member of the Amphisbaenia, the clade of worm lizards.amphisbenianAlternative form of amphisbaenian.amphiscianThat lives in the tropics (and thus casts shadows northward and southward at different times of the year).amphisin(biochemistry) A cyclic lipoundecapeptide present in some strains of Pseudomonasamphoion(chemistry) zwitterionamphomycinA lipopeptide antibiotic produced by fungi of genera Streptomyces and Actinoplanes.amphotericin(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.amphoterin(biochemistry) The nonhistone chromosomal protein HMG-1amphothericinAlternative form of amphotericin.ampicillin(pharmacology) A semisynthetic form of penicillin C₁₆H₁₉N₃O₄S that is effective against gram-negative and gram-positive bacteria and is used to treat infections of the urinary, respiratory, and intestinal tracts.amplection(biology, dated, uncommon) A form of pseudocopulation, found chiefly in amphibians and horseshoe crabs, in which a male grasps a female with his front legs; amplexus.amplexation(biology, dated, uncommon) The act of (forming the grip of) amplexus.amplexionAlternative form of amplection.ampliation(archaic or nonstandard) Enlargement; amplification.amplicationMisspelling of amplification.ampliconA piece of DNA or RNA formed as the product of natural or artificial amplification events, as in a polymerase chain reactionamplificationThe act, or result of amplifying, enlarging, extending or adding.amplificon(genetics) The result of gene amplification (by using LAMP)amplitronA form of microwave amplifier.amplituhedron(quantum field theories) A mathematical structure which encodes the integrand of an amplitude in planar N=4 super Yang-Mills theory, used in calculations of scattering amplitudes of particle interactions.amputationsurgical removal of all or part of a limb, etc.amrubicin(pharmacology) An anthracycline used in the treatment of lung cancer.amurensin(organic chemistry) A flavonol, the tert-amyl alcohol derivative of kaempferol 7-O-glucoside.amyelinationThe lack of, or the failure to form, a myelin sheathamygdalianRelating to the amygdalaamygdalin(biochemistry) A glycoside of benzaldehyde and hydrogen cyanide found in bitter almonds, and in the kernels of some other fruit.amylin(biochemistry) The dextrin of starch.amylodextrin(biochemistry) A high-molecular-weight form of dextrin.amylogenThe water-soluble part of granulose.amylolysinA lantibiotic present in Bacillus amyloliquefaciensamylopectin(biochemistry) A highly branched, insoluble form of starch (the soluble form being amylose)amylopsin(biochemistry) A pancreatic form of amylase.amylostatinAny material that inhibits amylaseamylovoranA capsular exopolysaccharide present in the fire blight pathogen Erwinia amylovoraamyrin(organic chemistry) Either of two isomeric triterpenoids found in some vegetable oils and resinsanForm of a (all article senses).anabaenolysin(biochemistry) Any of a group of cytolytic lipopeptides present in cyanobacteria of the genus Anabaena.anabaenopeptin(biochemistry) Any of a group of biologically-active peptides present in cyanobacteria, principally of the genus Anabaena.anabelian(mathematics, algebraic geometry, arithmetic geometry) Of or relating to anabelian geometry, a proposed theory describing the way the algebraic fundamental group G of an algebraic variety (or some related geometric object) V determines how V can be mapped into another geometric object W, under the assumption that G is very far from being an abelian group, in a sense to be made more precise.anabibazon(astrology, obsolete) The ascending lunar node, where the Moon moves into the northern ecliptic hemisphere.anacolouthonAlternative spelling of anacoluthon.anacoluthon(rhetoric) Intentional use of such a structure.anaerobian(archaic) anaerobicanaerolineaceanAny bacterium of the family AnaerolineaceaeanaestheticianOne who administers anaesthetics.anaesthetisationAlternative form of anesthetization.anaesthetizationThe act of anesthetizinganaflatoxinMisspelling of anaphylatoxin.anagen(medicine, dermatology) The production of new hair from stem cells.anagliptin(pharmacology) A pharmaceutical drug for the treatment of type 2 diabetes mellitus.anagrammatisationNon-Oxford British spelling of anagrammatization.anagrammatization(American and Oxford British spelling) Transformation of a word into its anagram.anaktoron(historical, Ancient Greece) A palace that only hierophants were permitted to enter as part of the Eleusinian Mysteries.analgenAlternative form of analgene.analgosedationThe administration of an analgesic together with a sedative.analogizationA process or act of analogizing.analysationAlternative form of analyzation.analytification(mathematics) The process or result of making something analytic.analyzation(rare) analysisanamorelinA drug used in the treatment of cachexia and anorexiaanamorsin(biochemistry) A protein that inhibits apoptosisanan(obsolete) Expressing incomprehension or doubt; often requesting repetition or clarification, especially as an as an interrogative.anangeon(rhetoric) A justification of an action by inevitability or necessity.anantapodoton(rhetoric, uncommon) A rhetorical device in which a main clause is suggested by the introduction of a subordinate clause, but where the expression trails off.anaphylactogen(medicine) A substance likely to or capable of producing an adverse reaction (anaphylaxis) in a person.anaphylatoxin(biochemistry) Any of several toxic substances that trigger anaphylaxisanaphylotoxinAlternative form of anaphylatoxin.anapodoton(rhetoric) A special kind of ellipsis in which a main clause implied by a subordinate clause is left out.anarchizationThe act of anarchizing.anarcholibertarianAlternative form of anarcho-libertarian.anascan(zoology, obsolete) Any member of the Anasca suborder of bryozoans.anaspalin(medicine, archaic) A mixture of lanolin and vaseline, used as a basis for ointments.anaspidaceanAny crustacean of the order AnaspidaceaanaspideanA marine mollusc of the clade Anaspidea.anastellin(biochemistry) An angiostatic fibronectinanastrephin(organic chemistry) The lactone (3aS,4R,7aS)-4-ethenyl-4,7a-dimethyl-3a,5,6,7-tetrahydro-3H-1-benzofuran-2-one present in the pheromone of some male fruit fliesanathematisationAlternative form of anathematization.anathematizationThe act of anathematizing; vigorous denunciation.anathemisationAlternative spelling of anathemization.anathemizationThe act or process of anathemizing.anation(physical chemistry) The replacement of a ligand (especially of water) by an anion in a coordination compoundanatman(Hinduism) That which is other than the atman (self), such as the body.anatomizationA process or act of anatomizing.anatoxinA bacterial toxin (usually an exotoxin) whose toxicity has been weakened or suppressedanatron(obsolete) native carbonate of soda; natronancestrian(archaic) ancestralanchomomyinAny extinct primate of the genus Anchomomysanchorin(biochemistry) Any of a group of collagen-binding proteins related to annexinanchorman(television, radio) The main host of a television or radio program, particularly one relating to the broadcast of news.anchormenplural of anchormananchorpersonThe primary reporter on a television news broadcast.anchorwomanA female anchorperson.anchusin(organic chemistry) alkanninancon(architecture) A console that appears to support a cornice.ancovenin(organic chemistry) A cyclic oligopeptide produced by actinomycetesancyloceratin(paleontology) Any member of the Ancyloceratina suborder of ammonites.andabatarianOf or like an andabata, a gladiator who fought blindfolded.anderoonObsolete form of anderun.anderun(historical) The harem of the royal household of the shah of Persia.andiron(usually in the plural) A utensil for supporting wood when burning in a fireplace, one being placed on each sideanditomin(organic chemistry) A meroterpenoid derived from Aspergillus species.andrastinAny of a family of fungal monoterpenoids, found in blue cheese, that inhibit farnesyltransferaseandroctoninAn antimicrobial peptide present in the scorpion Androctonus australisandrogen(biochemistry, steroids) Any natural or synthetic compound, usually a steroid hormone, that stimulates or controls the development and maintenance of masculine characteristics in vertebrates. A male sex hormone such as testosterone or anabolic steroids.androgenisationAlternative form of androgenization.androgenizationThe development of male sexual characteristics, especially after treatment with androgens.androglobin(biochemistry) A chimeric globin associated with the testesandrogynizationProcess of becoming androgynous.andromedin(physiology) A growth factor that is mediated by androgensandromedotoxinOne of the grayanotoxins; grayanotoxin I.andron(architecture, Ancient Greece, Ancient Rome), the room reserved for males and their activities, often in the lower part of the house.andropogon(botany) Any member of the grass genus Andropogon.anecdotarianSynonym of anecdoter (“a person who tells anecdotes”).anecdoton(Grecian) Alternative spelling of anecdote.anejaculationThe inability to ejaculate.anellationMisspelling of annellation.anemarrhenasaponinA particular steroid glycoside.anemarsaponinA particular steroid glycoside.anemizationThe process or result of anemizing.anemonin(organic chemistry) An acrid toxic substance obtained from some species of anemone.anenthemoneanAny sea anemone of the suborder Anenthemonaeanepimeron(entomology) The upper part of the epimeron.anesthetisationAlternative form of anesthetization.anesthetizationThe administration of anesthesia.anesthizationMisspelling of anesthetization.aneugen(genetics) An aneugenic agent.aneuploidization(genetics) Modification of an organism such that it becomes aneuploidaneuploidogen(genetics) A substance that causes aneuploidyaneurinArchaic form of aneurine.aneurophytaleanAny extinct plant of the order †Aneurophytalesangariation(obsolete) coercionangelicin(organic chemistry) a tricyclic heterocycle that is an isomer of psoralenangelicizationThe process of angelicizing.angelificationA transformation into an angel.angelizationThe process of angelizing; conversion to an angelic form or nature.angioadaptationThe adaptation of blood vessels to changing circumstances (by changes in diameter etc.)angioarrestinAn antiangiogenic protein with tumor-inhibiting properties.angiocarpiandescribing an angiocarpous plantangiocatheterizationThe catheterization of the blood vessels.angiodestruction(pathology) The destruction of blood vesselsangioembolisationAlternative form of angioembolization.angioembolization(surgery) Synonym of embolization.angiogenin(biochemistry) A polypeptide implicated in angiogenesisangioinhibitionThe inhibition of angiogenesisangioinvasion(pathology) Vascular invasion: Invasion (infiltration) of vessels (blood vessels, lymphatic vessels, or both), often and especially by cancer cells, either locoregionally or metastatically.angiomodulinA polypeptide hormone that is a marker of cancer vasculatureangiomotin(biochemistry) A protein that increases the random migration of endothelial cells as well as the migration of endothelial cells toward growth factorsangioneurin(biochemistry) Any of a group of vasculotrophic and neurotrophic growth factorsangioobliterationThe obliteration of blood vessels, typically by pulmonary arterial hypertensionangiopoietin(biology) A protein growth factor that promotes angiogenesis.angioprevention(pathology) The prevention of angiogenesisangioproliferationThe proliferation of blood vesselsangioprotectin(biochemistry) A peptide, similar to angiotensin, that causes vasodilationangioproteinMisspelling of angiopoietin.angioregressionThe regression of angiogenesisangiostatin(biochemistry, medicine) A protein that inhibits angiogenesis; it is used to inhibit the growth of new blood vessels in tumours.angiostimulationThe stimulation of blood vesselsangiosuppression(physiology) The suppression of angiogenesisangiotensin(biochemistry) Any of several polypeptides that narrow blood vessels and thus regulate arterial pressure.angiotensinogen(biochemistry) A globulin produced by the liverangiotensionMisspelling of angiotensin.angiotoninA vasoconstrictor that causes narrowing of blood vesselsangiotoxinAny angiotoxic materialanglicisationThe process by which something or someone (usually a word) is made more English. Usually applied to language or culture.anglicizationAmerican spelling and Oxford British English standard spelling of anglicisation.angon(historical) A type of javelin with a barbed tip, used by the Franks and the various Germanic tribes in the Late Antiquity and Early Middle Ages.anguibactin(organic chemistry) A siderophore, (2E)-N-hydroxy-2-(5-hydroxy-6-oxocyclohexa-2,4-dien-1-ylidene)-N-[2-(1H-imidazol-5-yl)ethyl]-1,3-thiazolidine-4-carboxamide, present in marine vibriosangularizationThe process of making something angular.angulationThe formation of angles.angulin(biochemistry) Any of a group of tight junction proteins associated with the blood-brain barrierangustationThe act of making narrow; a contracting or straitening.angustibalin(organic chemistry) A cytotoxic sesquiterpene lactone found in Balduina angustifolia, related to helenalin.anhelation(uncountable, pulmonology, archaic) Breathing difficulty, shortness of breath.anhydramnionAlternative form of anhydramnios.anhydration(chemistry) The formation of an anhydrateanhydridizationConversion into an anhydride.anhydrodigitalinA particular steroid glycoside.anhydroleucovorin(biochemistry) An intermediate, 5,10-methenyltetrahydrofolate, in the interconversion of glycine and serine that is catalysed by folic acidanhydrothrombinAn anhydro form of thrombin.anidulafungin(pharmacology) An antifungal drug of the echinocandin class.anilinArchaic form of aniline.anilinction(rare) Anilingus.anillinA conserved protein implicated in cytoskeletal dynamics during cellularization and cytokinesis.animadversion(countable) A criticism, a critical remark.animalian(sciences) Of the kingdom Animalia, which includes humans.animalisationAlternative spelling of animalizationanimalizationThe act of animalizing; the giving of animal life, or endowing with animal properties.animationThe act of animating, or giving life or spirit.animatronAn animatronic robot.animutation(Internet, uncountable) A form of Internet-based computer animation characterized by unpredictable montages of pop culture images set to music; (countable) an instance of this.anionA negatively charged ion.anionization(physical chemistry) Conversion to, or reaction with an anionanisatin(organic chemistry) A toxic, insecticidal component of the shikimi plant (Illicium anisatum).anisocoumarin(organic chemistry) One of a family of natural chemical compounds which contains an isoprenoid ether of a coumarin.anisomyarian(biology, of bivalves) Having different forms of abductor musclesanisomycin(medicine) An antibiotic, produced by Streptomyces griseolus, which inhibits protein synthesisanisomysinAlternative form of anisomycin.anisopteranAny dragonfly of the infraorder AnisopteraanitrazafenA drug displaying COX-2 inhibitor activity.anjanA hardwood tree (Hardwickia binata) native to dry regions of the Indian subcontinent.ankryinMisspelling of ankyrin.ankycorbin(biochemistry) A protein associated with spermatid adhesionankyloblepharon(pathology) fusion of the margins of the eyelidsankylopollexianAny dinosaur of the clade AnkylopollexiaankylosaurianAny member of the suborder Ankylosauria, herbaceous dinosaurs notable for their armor consisting of bony osteoderms.ankyrin(biology) Any of a family of adaptor proteins that mediate the attachment of integral membrane proteins to the spectrin-actin based membrane skeleton.anlagenplural of anlageann(obsolete) An annate.annamycinAn anthracycline antibiotic with potential uses in treating cancer.annaprasanAlternative form of annaprashana.annelation(organic chemistry) annulationannelidanOf or pertaining to the annelids.annellation(organic chemistry) Any addition reaction in which one ring is attached to anotherannepressin(biochemistry) A homologous form of oxytocin/vasopressin found in segmented wormsannetocin(biochemistry) A homologous form of oxytocin/vasopressin found in segmented worms.annexationAddition or incorporation of something, or territories that have been annexed.annexin(biology) Any of a group of cellular proteins found in all kingdoms (animal, plant and fungi) with the exception of the bacteria.annexion(obsolete) annexationannidation(ecology) The adaptation of the various genotypes to different ecological niches, such as where a mutant form of a species is maintained in a population because it can flourish in a way that the parent organisms cannot.annihilationThe act of destroying or otherwise turning into nothing, or nonexistence.annomination(obsolete) paronomasia; punningannomontacin(organic chemistry) The furanone derivative 2-methyl-4-[2,8,15-trihydroxy-15-[5-(1-hydroxytridecyl)oxolan-2-yl]pentadecyl]-2H-furan-5-one present in the seeds of Annona cherimoliaannomuricin(organic chemistry) Any of a family of alkyl derivatives of tetrahydrofuran isolated from plants of the genus AnnonaannonacinAn acetogenin found in fruits such as the guanabana, frequent consumption of which is implicated in Parkinson's disease.annoninAn active ingredient present in extracts of seed kernels of the genus Annona, used as an insecticide.annotationA critical or explanatory commentary or analysis.annualisationAlternative form of annualization.annualizationThe process of annualizing.annuitization(economics) The process or the result of annuitizing an annuity.annulationThe formation of a ringannullation(obsolete) Annulment.annulosan(zoology) One of the Annulosa.annumeration(obsolete) Further addition to a previous number or quantity.annunciationThe act of annunciating.anociassociation(surgery) The prevention of shock during surgery using a combination of methods, including sedation and anesthesia.anoctamin(biochemistry) Any of a group of transmembrane proteins associated with the channelling of chloride ionsanodisationNon-Oxford British English standard spelling of anodization.anodizationThe process of anodizing.anodon(zoology) Any of the genus Anodon, now Anodonta, of freshwater bivalves.anomalodesmatanAny bivalve mollusc of the order AnomalodesmataanomerisationAlternative form of anomerization.anomerization(organic chemistry) conversion to an anomeranomuran(zoology) Any of the Anomura.anonSoon; in a little while.anonymisationAlternative spelling of anonymization.anonymizationThe act or process of making anonymous, of hiding or disguising identity.anoon(obsolete) immediately, straightawayanophelin(biochemistry) An anticoagulant protein, derived from mosquitos, that inhibits thrombinanophensinAn inhibitor of kallikrein / kinin present in the venom of Anopheles mosquitosanopluranAny louse of the suborder Anoplura, a sucking louse.anordrinA synthetic steroidal estrogen used as a postcoital contraceptive.anorectin(biochemistry) A peptide that reduces eating in mammals. The sequence of amino acids is Pyr-Val-Asp-Ser-Met-Trp-Ala-Glu-Gln-Lys-Gln-Met-Glu-Leu-Glu-Ser-Ile-Leu-Val-Ala-Leu-Leu-Gln-Lys-His-Ser-Arg-Asn-Ser-Gln-NH2anorexigenAn appetite suppressant drug.anorn(obsolete) To adorn.anostracanAny fairy shrimp of the order Anostracaanovulation(pathology) Lack of ovulation.anpanA Japanese sweet roll most commonly filled with red bean paste.ansamitocinAny of a group of maytansinoid antibioticsansamycin(biochemistry) Any of a family of secondary metabolites with antimicrobial and antiviral effects.antafumicinAny of a group of antifungal agents, based on (3S,5S)-5-(3-acetyl-2,6-dihydroxyphenyl)-3-methoxyoxolan-2-one, present in the mold Aspergillus niger or its close relatives.antagonisationAlternative form of antagonization.antagonizationA process or action of antagonizing.antalarmin(organic chemistry, medicine) The heterocyclic compound N-butyl-N-ethyl-2,5,6-trimethyl-7-(2,4,6-trimethylphenyl)pyrrolo[3,2-e]pyrimidin-4-amine that is a corticotropin-releasing hormoneantecession(dated) Synonym of antecedenceantecommunion(Christianity, historical) The part of the Anglican communion liturgy that precedes the consecration of the elements.antedeluvianObsolete spelling of antediluvian.antediluvian(by extension) Of animals and plants: long extinct; prehistoric.anteflexion(anatomy) A forward bending of an organ, especially that of the uterus near the cervixantehumanPreceding the advent of modern humanity, Homo sapiens.antelapsarianSynonym of supralapsarian.antelopianOf or relating to an antelope.antelucanOf, occurring in, or relating to the postmidnight.antemedianAlternative form of antemedial.antemeridianOf or relating to morning; that happens in the morning.antemodernBefore modern or modernity or modernization.antennation(entomology, of an insect) An act of antennating, or touching the antennae to another insect.anteposition(rare) The placing of something in front of something else, especially of words in a sentence.anteprohibitionBefore Prohibition (period of alcohol ban).anteraxanthinAlternative form of antheraxanthin.anteriomedianAlternative form of anteromedian.anteriorisationAlternative form of anteriorization.anteriorizationThe process of anteriorizing.anteromedian(anatomy) In the front of the midlineanteroversionSynonym of anteversion.antetorsion(anatomy) A twisting angle between the neck and condyle of a bone such as the femur that ceases before it reaches normalantevasinSomeone who lives on the border of two worlds: the materialistic and the transcendental.anteversion(medicine) Forward-tilting of an anatomical structure (e.g. the uterus).anthacyclinMisspelling of anthracycline.anthelionA faint, white halo rarely seen in the sky opposite the sun on the parhelic circleanthemionAn ornamental design consisting of palmettes or lotus flowers.antheraxanthin(organic chemistry) A yellow carotenoid pigment found in some protozoaantheridiogenA chemical (any one of a class of chemicals) secreted by fern gametophytes which promote the production of male gametangia.anthocerotalean(botany) Of or relating to the Anthocerotales.anthocyan(organic chemistry) anthocyaninanthocyanidin(organic chemistry) An aglycone of an anthocyanin.anthocyanin(botany, organic chemistry) Any of many water-soluble red to violet plant pigments related to the flavonoids (more noticeable in autumn after its chlorophyll decomposes).anthokyan(archaic) anthocyaninantholeucin(botany, obsolete) A substance isolated from flowers and thought to act as a white pigment.anthologizationcompilation as (part of) an anthologyanthomedusanAny hydrozoan of the former order Anthomedusae (now Anthoathecata)anthoxanthin(biochemistry) Any of a group of water-soluble flavonoid pigments found in plants.anthozoan(marine biology) A marine invertebrate of the class Anthozoa, such as a sea anemone or coral.anthozoon(zoology) A member of the class Anthozoa, comprising marine invertebrates including corals and sea anemones.anthrachelinA bacterial anthrax siderophoreanthracinAlternative form of anthracene.anthracitizationConversion into anthracite.anthracyclinAlternative form of anthracycline.anthrafuran(organic chemistry) Any of a group of heterocycles composed of a furan ring fused to an anthraceneanthramycin(medicine) Any of a class of broad-spectrum antibiotics, having a benzodiazepine structure, isolated from Streptomyces bacteria, that have antitumour activityanthrapurpurin(organic chemistry) 1,2,7-trihydroxyanthraquinone, a purple dye used in histology for the detection of calciumanthrarufin(organic chemistry) 1,5-dihydroxyanthraquinoneanthraxanthinAlternative form of antheraxanthin.anthrolysinA toxic cytolysin present in the bacterium Bacillus anthracis.anthroparianA human or a creature having human characteristics or traits.anthropedoturbationAny pedoturbation due to human activity.anthropisationAlternative spelling of anthropization.anthropization(ecology) The transformation or adaptation of the environment to meet the needs of humans, or by human activity.anthropogenizationThe process, or the result of anthropogenizinganthropologianA theologian of anthropology.anthropomorphisationAlternative spelling of anthropomorphization.anthropomorphizationendowing with human qualities.anthropophaginian(rare, humorous) One who eats human flesh.anthropopressionAlternative form of anthropopressure.anthrosylvanOf or pertaining to the relationship between humans and forest ecosystems.anthroturbation(geology) The disturbance of the soil and/or crust by human activity (mining etc)antiabortionOpposed to the practice or legalization of abortion.antiabrasionPreventing abrasion.antiacarianThat counters mites of the genus Acarus.antiaccelerationOpposing academic acceleration.antiaccumulationOpposing or preventing accumulation (of financial capital, etc.).antiacridianThat counters insects of the family Acrididaeantiactin(immunology, of an antibody) That binds to actinantiaddictionCountering addiction.antiadhesionPreventing adhesion.antiadministration(politics) Opposing a particular administrationantiadoptionOpposing adoption.antiadulterationOpposing or countering adulteration.antiagglutininAny substance, especially an antibody, that inhibits the action of an agglutininantiaggregation(medicine) Prevention of the aggregation of platelets.antiaggressinA specific antibody preventing the action of an aggressin.antiaggressionThe lack or absence of aggression.antiagrarian(politics) Opposed to the political interests of working farmers.antiaircraftmanAlternative form of antiaircraftsman.antiaircraftsmanA man who operates anti-aircraft artillery.antialexin(biochemistry) Any material that counteracts the action of an alexinantialienOpposing aliens or foreigners.antiallergenAny antiallergenic substance.antiandrogen(biochemistry, pharmacology) Any substance that inhibits the release or the biological effects of an androgen.antiannexationOpposing annexation.antiantitoxinAny substance, especially an antibody, that counters the effects of an antitoxinantiarachnolysinAny antivenin that counteracts the effects of arachnolysinantiarbitration(politics) Opposing arbitration.antiarinEither of two cardiac glycoside poisons produced by the upas tree (Antiaris toxicaria).antiarrestin(immunology) Any antibody that generates an immune response to arrestinantiarsonOpposing or preventing arson.antiassimilationOpposing assimilation.antiassociation(biochemistry) Activity that counteracts association of proteins etc.antiattritionCountering the effects of friction in machinery.antiauthoritarianOpposed to authoritarianismantiautolysinAny substance, especially an antibody, that counters the effects of an autolysinantiauxin(biochemistry) Any substance that inhibits auxin by competing for the same receptors.antiavianOpposing or countering birds.antibaboon(immunology, of an antibody) Reacting with the immunoglobins found in baboons.antiballoon(textiles) Preventing the outward bulging of the material being worked on by a spinning frame.antibanIn opposition to a ban.antibaryon(particle physics) The antiparticle corresponding to a baryon.antiberiberinA black fluid obtained from rice bran, used to treat beriberi.antibiotin(immunology) that reacts with biotinantiboson(particle physics) The antiparticle of a boson.antibrownAlternative form of anti-brown.anticalcificationThat counters calcification.anticalcineurinThat counters the action of calcineurinanticalinAny of a class of artificial proteins that are able to bind to antigens. They are derived from human lipocalins.anticampaignOpposing a campaign.anticanon(chiefly US, law) a legal text that is now viewed as wrongly decidedanticarbon(physics) The hypothetical antimatter equivalent of carbon.anticarcinogen(medicine) Any substance that reduces the occurrence or severity of cancers.anticardiolipin(medicine, immunology) Directed against cardiolipinanticastrationAlternative spelling of anti-castration.anticausativisation(linguistics) The process by which a noncausative verb is morphologically derived from its causative counterpart.anticentralizationOpposing centralization.antichain(set theory, order theory, graph theory) A subset, A, of a partially ordered set, (P, ≤), such that no two elements of A are comparable with respect to ≤.antichicken(immunology, of an antibody) Reacting with the immunoglobins found in chickens.antichildrenOpposing children.anticholecystokinin(biochemistry) That counters the effect of cholecystokinin.antichristianPertaining to Antichrist.antichromatin(medicine, immunology) Directed against chromatinantichthon(obsolete) A hypothetical Earth on the opposite side of the Sun.antichymotrypsin(biochemistry) Any serpin that inhibits chymotrypsinanticipationThe act of anticipating, taking up, placing, or considering something beforehand, or before the proper time in natural order.anticircumcisionOpposing or acting against circumcision.anticircumvention(law) In opposition to circumvention of a prohibition, or of a means to carry out a prohibition.anticivilizationOpposing civilization.anticoagulation(medicine) Treatment to prevent coagulation of blood.anticoagulinAn anticoagulant material in the venom of a bloodsucking insect or a snakeanticoalition(military) Opposed to coalition or to a specific coalition.anticoccidianSynonym of anticoccidial.anticodon(genetics) A sequence of three nucleotides in transfer RNA that binds to the complementary triplet (codon) in messenger RNA to specify an amino acid during protein synthesis.anticollaborationOpposing collaboration.anticollagenThat counters the spread of collagenanticollisionActing to combat or prevent collisionsanticollusionPreventing or countering collusion.anticolonization(politics) Opposing colonization.anticombination(historical) Opposing or prohibiting trade unions and collective bargaining by workers.anticommercializationOpposing commercialization.anticommissionOpposing a commission.anticommodificationOpposing commodification.anticommunicationA failure to communicate effectively or at all.anticommutation(mathematics) The inverse of a commutationanticompensationOpposing compensation.anticompetition(economics, business, chiefly attributive) Anticompetitive behaviour.anticonceptioncontraceptionanticoncessionOpposing a concession.anticondensationInhibiting condensation.anticonfederationOpposing confederation.anticonfessionOpposing the Catholic practice of confession.anticonscriptionOpposing conscription into the military.anticonservationOpposing conservation (of animals, natural sites, etc.).anticonsolidationOpposing consolidation (of commercial interests, political parties, etc.).anticonstipation(pharmacology) Preventing or treating constipation.anticonsumptionOpposition to consumerism.anticontagionPreventing or countering contagion.anticontaminationPreventing contamination.anticontraceptionOpposing or forbidding contraception.anticontractionPreventing uterine contractions during pregnancy.anticonversion(law, religion) Opposing or preventing conversion from one religion to another.anticonvulsionAlternative form of anticonvulsive.anticorporationOpposed to, or taking a negative view of, corporations and their activities.anticorrelation(statistics) Negative or inverse correlation, a relationship in which one value increases as the other decreases.anticorrosionPreventing corrosion.anticorruptionOpposed to or combating corruption.anticrystallizationresistance to crystal formationanticytokeratin(immunology) That makes an immune response with cytokeratinanticytotoxinAny substance, especially an antibody, that counteracts the effects of a cytotoxin.antidefamationOpposing the defamation of a particular group. Chiefly in direct or oblique reference to the Anti-Defamation League.antideflation(economics) Preventing or countering deflation.antideforestation(environmentalism) Opposing deforestation.antidegradationPreventing or countering degradation.antideportationOpposing deportation.antidepression(economy) Opposing or countering economic depression.antidesegregationOpposing desegregation.antidesertification(environmental science) Serving to counter desertification.antidesertion(military) Opposing desertion.antidesignOpposing the usual approach to, or conventions of, design.antidesminAn antibody that reacts with desminantidesmoglein(immunology) Any antibody that binds to desmogleinantidesmoplakinAn antigen that produces a response to a desmoplakinantidetectionPreventing detection.antidetonationThat suppresses detonationantideuteron(particle physics) The antiparticle of the nucleus of deuterium, consisting of an antiproton and an antineutron.antidevolutionOpposing devolution.antidextran(immunology) Any antibody that targets dextranantidicotyledonDescribes a herbicide that counters dicotyledonsantidifferentiation(calculus) The process of finding the antiderivative.antidigoxigeninAn antibody that binds to digoxigeninantidilution(finance) Preventing share dilution.antidin(medicine) Any of a group of drugs (such as avidins) that bind tightly to biotinantidiphtherin(historical) A certain vaccine against diphtheria.antidisciplinarianOpposing discipline.antidiscrimination(law) Opposing or disallowing discriminationantidisestablishmentarianOne who believes that the Church of England should retain its formal constitutional relationship with the state.antidispersionPreventing dispersion.antidissectionOpposing dissection of animals.antidissolutionOpposing dissolution.antidistributionOpposing distribution.antidiversificationOpposing diversification.antidivisionOpposing or countering geopolitical division.antidomain(mathematics) The boolean complement of the domain.antidoron(Christianity, Eastern Orthodoxy, Eastern Catholicism) A piece of ordinary leavened bread, taken from remnants of loaves used for the Eucharist, which has been blessed but not consecrated; distributed in churches that use the Byzantine Rite.antidown(physics) Being or relating to an anti-down quark.antiduplicationForbidding or preventing duplication of published material.antidyon(physics) The antiparticle of the dyon.antidystopianOpposing a dystopia.antidystrophin(immunology) That generates an allergic reaction to dystrophinantieducationOpposed to education.antiegalitarian(sociology) Opposing egalitarianism.antielectionOpposing an election, or elections in general.antielectron(physics) Synonym of positron.antielimination(organic chemistry) elimination of substituents from opposite sides of a double bondantiemigrationOpposing emigration.antiendotoxin(medicine) Any substance (especially an antibody) that counteracts the effect of an endotoxinantiequalitarianOpposing equalitarianism.antierosion(geology) Countering erosion.antiestablishmentarianA proponent of antiestablishmentarianism.antiestrogen(pharmacology) A substance that blocks the production or utilization of estrogens, or inhibits their effects.antievasionPreventing evasion.antievictionOpposed to eviction.antievolutionOpposing the teaching or espousal of evolutionary theories, often specifically the Darwinian theory of natural selectionantiexclusionOpposing or counteracting exclusion.antiexpansionActing to prevent the expansion of a physical substance.antiexploitationOpposing or countering exploitation.antiexpulsionOpposing or counteracting expulsion.antiextortion(law enforcement) Countering extortion.antifashionAny fashion that is intentionally contrary to the mainstream.antifebrin(historical, medicine) Acetanilide used as an antipyretic.antifermion(particle physics) The antiparticle of a (specified) fermionantiferrodistortiondistortion to the structure of a crystal lattice due to antiferromagnetismantifertilizinA protein that reacts with fertilizin, causing sperm to adhere to the egg.antifibrillizationThat counters the formation of fibrilsantifibrin(immunology) That generates an immune reaction to fibrinantifibronectinThat has an immune reaction to fibronectinantifluoridation(public health) Opposing the addition of fluoride to the public water supply.antifluxon(physics) The antiparticle of a fluxonantiforeignOpposed to foreigners or to what is foreign.antiforminsodium hypochloriteantifragmentationOpposing fragmentation.antifraternizationPreventing or opposing fraternization, as between employees.antifrictionReducing or intended to reduce friction.antifunginThe fungicide magnesium borate.antigen(immunology) A substance that induces an immune response, usually foreign (nonself) but not always so.antigliadin(immunology, of an antibody) Acting against gliadin.antiglobalisationAlternative spelling of anti-globalization.antiglobalizationAlternative spelling of anti-globalization.antiglobulin(immunology) antihuman globulinantiglucagonAn antibody that reacts with glucagonantigluon(particle physics) The antiparticle of a gluon.antigluten(immunology, of an antibody) Acting against gluten.antiglycan(immunology) That generates an immunological response to glycanantiglycationThat counters glycationantiglycophorin(immunology) Any antibody that reacts with glycophorinantigodlin(US, dialect) crosswise; askew; not straight or directly opposite or adjacentantigogglinAlternative spelling of antigoglin.antigoglin(US, dialectal) Not straight; crooked, askew, out of line.antigonadotrophinAlternative form of antigonadotropin.antigonadotropin(pharmacology) A drug that suppresses the activity and/or downstream effects of one or both of the gonadotropins follicle-stimulating hormone (FSH) and luteinizing hormone (LH), used to treat cancers, to delay puberty, etc.antigononAny of three American vines, of the genus Antigonon, including the chain of hearts and the coral vineantigraviton(chiefly science fiction) The hypothetical antipartner of a graviton.antigreen(physics) One of the three possible colours of an antiquark, corresponding to green in a quark.antigunOpposed to guns, especially widespread individual use of guns.antihadron(particle physics) The antiparticle of a hadron.antihaemagglutininThat counters the effects of haemagglutininantihaemolysinAny substance, especially an antibody, that counters the effects of haemolysinantihalation(photography) Preventing halation.antihandgunProhibiting or restricting the possession of handgunsantihaplon(particle physics) The antiparticle of a haplon.antihelionThe antiparticle of a helion, consisting of two antiprotons and one antineutron.antihemagglutinin(immunology) That reacts with hemagglutininantihepcidin(medicine) That counters the effect of hepcidinantiheroinOpposing the use of the drug heroin.antiholin(biochemistry) Any protein that counters the effect of holin; a gene responsible for such a proteinantiholon(physics) The antiparticle of a holonantihooliganOpposing hooligans or hooliganism.antihorizon(astrophysics) The opposite of an event horizon, allowing escape but not entry.antihumanOpposed to humanity.antihumanitarianOpposing humanitarianism.antihydrogen(particle physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and a positron (antielectron).antihyperon(particle physics) The antiparticle of a hyperonantihypertensionCountering hypertension.antihypertriton(particle physics) The antiparticle equivalent of a hypertriton, consisting of an antiproton, an antineutron and any antihyperonantihypotensionCountering hypotension.antiimmigrationrare spelling of anti-immigrationantiimmunoglobulin(immunology) That produces an immune reaction with immunoglobulinantiimplantationAlternative form of anti-implantation.antiinfection(medicine) Preventing or counteracting infection.antiinflammation(medicine) antiinflammatoryantiinflationAlternative form of anti-inflation.antiinsectanAny compound produced by a plant or other organism that serves as a defensive protection against predation by insects.antiinterferonThat opposes the action of interferonantiintrusionDesigned to counter intrusion.antijoin(algebra, databases) A type of join, denoted by ▷, such that R▷S yields only those tuples in R for which S has no corresponding tuple of the same value.antijunctionA junction between four strands of DNA, switching between red and green conformations in reconfigurable nanostructures and information-relay arrays.antikaon(particle physics) The antiparticle of a kaon.antikeratin(immunology) That targets keratinantilaplacian(mathematics) The number of which a given number is the Laplacianantilapsarian(theology) One who does not believe that mankind has fallen from a better state.antilatitudinarianOpposing a latitudinarian stance.antilegalizationOpposing legalization.antilegislation(law) Opposing legislation.antilepton(particle physics) The antiparticle of a lepton.antilesbianOpposed to lesbians (female homosexuals).antileukocidinAny substance, especially an antibody, that counters the effects of leukocidinantiliberationOpposing liberation.antilibertarian(politics) Opposing libertarianism.antilibration(archaic, rare) A balancing; equilibrium.antilichenActive against lichens.antillatoxinA toxic cyanobacterial lipopeptide that modifies sodium channelsantilocalisationAlternative form of antilocalization.antilocalization(physics) The spreading of an electric charge to areas removed from its originating atom or ion.antilopinAlternative form of antilopine.antilysinAny substance that protects cells from the action of a lysinantimajoritarian(politics) Opposing majority ruleantimammalianOpposing or countering mammals.antimanOpposed to men.antimanipulationOpposing or preventing the manipulation of market prices.antimannan(biology, medicine, of antibodies) Against mannan.antimasonOne who opposes Freemasonry.antimasturbationOpposing masturbation.antimechanizationOpposing mechanization.antimedian(graph theory) A function that maximizes the sum of distances to a set of nodes in a graph.antimedicalizationOpposing medicalization.antimelanizationThat counters melanizationantimenAlternative form of antiman.antimensionAlternative form of antimins.antimeridian(geography) The reference line at 180° longitude, on the opposite side of earth to the prime meridian.antimeson(particle physics) The antiparticle corresponding to a meson.antimicrotubulinThat counters the effect of microtubulinantimigrationOpposing migration.antimineralisationAlternative form of antimineralization.antimineralizationThat counters mineralizationantiminsionAlternative form of antimins.antimiscegenation(US, law) Against mixing or blending; especially, against the mixing or blending of races in marriage or breeding.antimission(religion) Opposing a religious mission.antimodernOpposed to modernity or modernizationantimodernizationOpposition to modernization.antimonatian(mineralogy) Containing antimonate anions.antimonian(mineralogy) Containing pentavalent antimony cations.antimonin(organic chemistry) An organometallic heterocyclic compound formally derived from benzene by substituting one carbon and hydrogen atom with antimony.antimonoan(mineralogy) Containing trivalent antimony cations.antimonsoon(meteorology) The upper, contrary-moving current of the atmosphere over a monsoon.antimoonThe hypothetical analog of the Moon, revolving around the antiearth.antimosan(medicine) A material containing trivalent antimony that is used in the treatment of trypanosomiasisantimotivationActive rejection of something towards which one should be motivated.antimullerianAlternative form of anti-Müllerian.antimuon(particle physics) A positively charged particle, the antiparticle corresponding to a muon.antimutagen(pharmacology) an agent which counteracts one or more mutagensantimutationPreventing or opposing mutation.antimycin(biochemistry) Any of several lactone antibiotics, some of which are used for controlling fungi in fish farmsantinationalizationOpposing nationalization.antinecessitarianOpposing a necessitarian viewpoint.antineoplastonAny of a group of peptides and other compounds used in a controversial unproven therapy against cancer.antineuronAlternative form of antineuronal.antineurotoxinAny substance, especially an antibody, that counters the effect of a neurotoxinantineutron(physics) The antiparticle corresponding to a neutron.antinitrogen(particle physics) The theoretical antimatter form of nitrogen.antinociception(neurology) Reduced sensitivity to pain.antinomian(Christianity, Judaism) One who embraces, encourages, or practices antinomianism.antinucleon(particle physics) The antiparticle of a nucleonantinucleoprotein(immunology) That makes an immune response to nucleoproteinsantioccupation(politics, military) Opposed to a particular military occupationantioestrogenAlternative form of antiestrogen.antiophidianThat counters snakebiteantiopposition(politics) Opposing a political opposition.antioppressionOpposing or countering oppression.antioption(finance) Opposing options.antiorganizationActing against or opposed to an organization.antioxidationThe action of an antioxidantantioxytocinCountering the hormone oxytocin.antipainPreventing or counteracting pain; analgesic.antiparkinsonAlternative form of antiparkinsonian.antiparkinsonian(neurology, pharmacology) Any drug used to treat Parkinson's diseaseantiparliamentarianOpposing parliament or rule by parliament.antiparticipationOpposing participation.antipartisanopposing partisans or partisanshipantiparton(physics) The antiparticle of a parton.antipatharianAny black coral of the order AntipathariaantipatherianMisspelling of antipatharian.antipathogen(medicine) Any drug that counters the effects of a pathogenantipattern(software engineering) A design pattern that may be commonly used, but is ineffective or counterproductive in practice.antipercolation(mathematics) Synonym of AB percolation.antipersecutionOpposing persecution.antipersonSomebody who is not a person, or not accepted as a person, or who violates the conventions of personhood.antiphlogistianSomeone who opposes phlogiston theory.antiphlogiston(historical) Opposed to the phlogiston hypothesis.antiphonA devotional chant; a piece of music sung responsively.antiphoton(physics) The antiparticle of a photon (identical to a photon).antipigeonOpposing or countering pigeons.antipion(particle physics) The antiparticle of a pion.antiplasmin(biochemistry) A plasmin inhibitor.antiplasticizationThe reduction if the plasticity of a polymer by the use of additivesantipleionA region of negative departure from a norm.antipodeanDiametrically opposed.antipoisonAn antidote for a poison.antipolaronthe antimatter counterpart of the polaronantipolitician(politics) Someone who is the opposite of a typical politicianantipollutionAnything that helps the environment by reducing pollution.antiporn(informal) antipornographyantiprecipitinA substance derived from a precipitin and capable of neutralizing it.antipredation(ecology) That counters predation.antipredestinarian(theology) Opposed to the doctrine of predestination.antipreon(physics) The antiparticle of a preon.antipreventionOpposing prevention (of crime, the spread of disease, etc.).antiprionThat counters the effects of prions.antiprison(sociology) Opposing prisons.antiprivatizationOpposing privatization.antiprogestin(biochemistry) Any substance that prevents cells from making or using progesterone.antiprogestogenSynonym of antiprogestin.antiprohibitionOpposing the prohibition of alcoholic drink.antiproliferationUsed attributively to describe the countering of proliferation (of nuclear weapons, cancer etc.)antipromotion(medicine) Inhibiting the promotion of a disease.antipropagationPreventing or opposing propagation.antiprosecutionOpposing the prosecution.antiprostaglandin(biochemistry) A prostaglandin inhibitor.antiprostitutionActing against or prohibiting prostitutionantiprotection(economy) Opposing protectionism.antiprothrombinThat counters the production or function of prothrombinantiproton(physics) The antiparticle of the proton, having a negative electric charge.antiprotozoanantiprotozoalantipuritanOne who opposes puritanism.antipuromycinThat counters the activity of puromycinantiputrefactionThat counters (the effects of) putrefactionantipyonin(dated, medicine) boraxantipyrinAlternative form of antipyrine.antiquarianPertaining to antiquaries, or to antiquity.antiquation(uncountable) The process of becoming antique or obsolete.antiqueenInhibiting the development of normal bees into queen bees.antiquificationThe process of antiquifying.antiquisationAlternative spelling of antiquization.antiquitarianAlternative form of antiquarian.antiquitin(biochemistry) A dehydrogenase that acts upon aminoadipic semialdehyde in the catabolism of lysineantiquitisationAlternative spelling of antiquitization.antiquitizationAlternative form of antiquization.antiquizationThe act or result of antiquizingantiradiationCountering radiation.antiradicalizationOpposing radicalization.antirebellionOpposing or countering rebellion.antirecession(economics) Serving to counter a financial recession.antirecombination(biochemistry) The prevention of the recombination of nucleic acid strandsantireflection(optics) Synonym of antireflective.antiregulationOpposing regulation.antirehabilitationOpposing rehabilitation.antirejection(medicine) Acting to prevent rejection of a transplanted organ or tissueantirelaxation(physics) That counters relaxationantireligionOpposed to or acting against religionantireninThat counters the effects of reninantirepression(genetics) The action of antagonizing a repressorantirepublican(politics) Opposing the formation of a republic.antireservationOpposing India's system of reserving seats in government and in higher educational institutions for certain underprivileged groups.antirestoration(politics) Opposing restoration.antirestriction(biology) That counters prokaryotic restrictionantiretaliation(law, of a law) Disallowing or preventing retaliationantireunificationOpposing political reunification.antireversionPreventing reversion (of the flow of a fluid, a change in chemical properties, etc.).antirevolutionOpposing a revolution.antiribonucleoprotein(immunology) An autoantibody associated with mixed connective tissue disease.antiricin(medicine) An antitoxin produced in the blood as a response to exposure to ricin.antirobinAn antidote for robin (toxalbumin from locust tree).antirotationThat prevents rotationantirrhininAn anthocyanin, the 3-rutinoside of cyanidin, found in blackcurrant.antisabbatarianopposing the observance of the Sabbathantisaloon(US) Opposing saloons (as places where alcohol is sold and drunk).antisaturationPreventing saturation.antiscion(astrology) The mirror image, or shadow, of a planet, based upon a line of reference which is the axis of 0 Cancer/0 Capricorn (the position of the sun at the solstices).antisclerostinThat counters the effect of sclerostinantisecessionOpposing or preventing secession.antisedanThe antisedative drug atipamezoleantisegregation(sociology) Opposed to segregation, especially racial segregationantiseparationOpposing separation (e.g. from a political union).antiseption(archaic) antisepsisantiserotoninThat counters the effects of serotoninantisfermion(physics) The antiparticle of a sfermion.antisiphonPreventing the siphoning of fluid.antiskyrmion(particle physics) The antiparticle of the skyrmion.antislepton(physics) The antiparticle of a slepton.antisolicitationOpposing or preventing solicitation.antisoliton(physics) A soliton with the negative amplitude of a given solitonantispeculation(economy) Opposing or countering financial speculation.antisphaleron(particle physics) The antiparticle of a sphaleronantispinPreventing spin (of a component).antispleenPertaining to an autoimmune response affecting the spleen.antispurion(particle physics) The antiparticle of a spurion.antistainResistant to staining.antistaphylolysinAny substance that counters staphylolysinantistarvationOpposing or preventing starvation.antisthecon(linguistics, prosody, rhetoric) The changing of a sound in a word for effect, or to force a rhyme; a metaplasmic substitution.antistreptavidinAn antibody that reacts with streptavidinantistreptolysin(biochemistry, immunology) An antibody made against streptolysin.antistrophon(obsolete, rhetoric) A counterargument as a retortantisubordination(law) Legal philosophy holding that the law must address and reform structures that maintain social inequality with respect to disadvantaged groups.antisubrogationOpposing or preventing subrogation.antisubversionOpposing or countering political subversion.antisun(astrophysics, countable) A hypothetical sun composed of antimatter.antisymmetrisationNon-Oxford British English standard spelling of antisymmetrization.antisymmetrization(mathematics) The act of making antisymmetric.antisynapsin(biochemistry) That disrupts the action of synapsinsantisynchronization(physics) The relationship between two oscillating systems that have the same absolute values at all times, but opposite signsantitauon(particle physics) the antiparticle of the tauon.antitaxationActing against or opposed to taxation.antitelevisionOpposing television.antitension(surgery) Countering muscular tension.antitermination(genetics) A mechanism that prevents premature termination of DNA transcription.antithalian(formal) Opposed to fun or festivity.antithrombinA small molecule that inactivates several enzymes of the coagulation system.antithrombomodulinInhibiting thrombomodulin activity.antithromboplastinSynonym of TFPI (“tissue factor pathway inhibitor”).antithyroglobulin(immunology) An antibody that targets thyroglobulin.antitotalitarian(politics) Opposed to or acting against totalitarianism or totalitarian behavior.antitoxin(medicine) A medicine able to neutralize a toxin.antitradition(sociology) Opposing tradition.antitrainOpposing trains.antitransitionOpposing transition.antitransportationOpposing the transportation of criminals.antitrinitarian(theology) Rejecting the Trinitarian doctrine that God subsists as three distinct Persons in the single substance of the Holy Trinity.antitriton(physics) The antiparticle of a triton.antitropomyosin(immunology) That counters the action of tropomyosinantitruncation(astronomy, of the disk of a spiral galaxy) The presence of an outer radial surface brightness profile that is distinctly shallower in scope than the main disk profile.antitrypsin(biochemistry) Any of a class of serum proteins that inhibit trypsin and similar proteolytic enzymesantitubulinInhibiting the action of tubulin.antiunification(politics) Opposing political unification.antiunion(politics) Opposed to, or discouraging the formation of, trade unionsantiunionization(politics) Opposing unionization.antiunitarianOpposing unitarianism.antiurban(sociology) Showing a negative view of cities or city lifeantiurbanization(urban studies) Opposition to urbanization.antiutilitarian(philosophy) Opposing utilitarianism.antiutopian(chiefly philosophy) Opposing utopian values.antivaccinationAlternative form of anti-vaccination.antiveganOpposed to veganism.antivegetarianOpposed to vegetarianism.antivenin(medicine) Synonym of antivenom, (now) particularly for snakebites containing venin.antivibrationCountering or preventing vibration.antivimentin(immunology, of an antibody) That binds to vimentinantivinculinThat counters the action of vinculinantivitamin(biochemistry) Any compound that inhibits the metabolic action of a vitamin.antivivisectionopposed to vivisectionantivolitionThe desire not to do something.antiweaponOpposing or countering weapons.antiwesternOpposing Western cultural and political influences.antiwomanOpposed to women.antiwomenPrejudiced against women; misogynistic.antlionAny of various species of insects, many of them nocturnal, in the family Myrmeleontidae. The adults superficially resemble the unrelated damselflies. The larvae bury themselves in sand below a cone-shaped pit in which they trap insects such as ants.antoecianOf or belonging to the point on the globe of the same longitude but the opposite latitude.antralizationThe presence, or the formation, of antraantrin(Scotland) Strange, rare, unusual.antroversionAlternative form of anteroversion.antrustion(historical) A vassal or bodyguard of Merovingian kings.antwrenAny member of a genus of small antbirds, Myrmotherula.anuran(batrachology) Any amphibian of the order Anura; a frog, a toad.anxiodepressioncomorbid depression and anxiety.anyon(physics) Any particle that obeys a continuum of quantum statistics, only two of which are the standard Bose-Einstein and Fermi-Dirac statistics.anypothetonAn idea which is discovered to be true in itself, or which supports itself; that which is absolutely or necessarily true; as opposed to a hypothesis requiring further support. The result or conclusion of a philosophical argument or investigation according to Plato's "hypothetical method."anysomicinMisspelling of anisomycin.anythingarian(derogatory, religion) A person who does not profess any particular creed; an indifferentist.anywhen(rare, nonstandard) whenever, at any point in timeapadenosonA vasodilator.apalbumin(biochemistry) A glycoprotein present in honey and in royal jellyapalcillin(pharmacology) A penicillin antibiotic.apamin(biochemistry) A neurotoxin originally isolated from Apis mellifera, the Western honey bee.apan(fandom slang) A member of an amateur press association.apanthropinisation(rare) The broadening of the ambit of one’s preoccupations and concerns away from a narrow focus on those things most palpably human and most closely pertinent to humanity.apanthropinizationAlternative spelling of apanthropinisation.apartheidisationAlternative spelling of apartheidization.apartheidization(sociopolitics) The process of apartheidizing.apastatinA statin that inhibits an aminopeptidaseapastron(astronomy) The point of greatest separation between a celestial object and the star which it orbits.apatotherianAny extinct mammal of the suborder †Apatotheria (sole family: †Apatemyidae)apeirogon(mathematics, geometry) A type of generalised polygon with a countably infinite number of sides and vertices;apeirohedron(mathematics, geometry) A polyhedron with an infinite number of faces.apeironA kind of infinite primal chaos in the cosmological theory of Anaximander.apelin(biochemistry) A peptide that is the endogenous ligand for the G-protein-coupled APJ receptorapemanA prehistoric man resembling an ape, especially one held to be a precursor to modern humans; a non-human australopithecine.apendicularianMisspelling of appendicularian.apertion(archaic) The act of opening.apewomanA female apeman.apexification(odontology) The promotion of tooth root development by deposition of mineral tissueapextrin(biochemistry) An extracellular protein associated with larval ectoderm evolution in some sea urchinsaphelian(astronomy) Relating to aphelionaphelion(astronomy, also figuratively) The point in the elliptical orbit of a comet, planet, or other astronomical object, where it is farthest from the Sun.aphidicolin(organic chemistry) A tetracyclic diterpene antibiotic with antiviral and antimitotic properties.aphidlionAlternative form of aphid lion.apianRelating to bees.apiarianPertaining to bees or beekeeping.apicalisationThe process, or the result of apicalisingapicidinA fungal metabolite that is an inhibitor of histone deacetylaseapicocomplexanMisspelling of apicomplexan.apicomplexan(biology) Describing protists of the phylum Apicomplexa.apicortin(biochemistry) A protein present in apicomplexan parasitesapiculation(botany) A short, sharply pointed tip.apidaecinAny of a family of antibacterial peptides present in beesapigenin(organic chemistry) A flavone, found as a glycoside in many plants, that reverses the adverse effects of cyclosporineapigeninidin(organic chemistry) The deoxyanthocyanidin 3-desoxy- pelargonidin 5,7-dihydroxy-2-(4-hydroxyphenyl)benzopyriliumapiin(organic chemistry) A chemical compound isolated from parsley and celery, and whose aglycone is apigenin.apimaysin(organic chemistry) A glycosyl flavone, 5,7-dihydroxy-6-[4-hydroxy-6-methyl-5-oxo-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]-2-(4-hydroxyphenyl)chromen-4-one, found in maize silksapiogalacturonan(biochemistry) A form of galacturonan containing apiose and apiobiose groupsapitoxin(toxicology) The venom found in a honey bee's sting.apixaban(pharmacology) An anticoagulant drug for the treatment of venous thromboembolic events.aplacophoranAny benthic mollusc of the class Aplacophora.aplysianin(biochemistry) Any of a small group of antibacterial and antineoplastic glycoproteins present in sea slugs of the genus Aplysia.aplysulphurin(organic chemistry) The benzopyran derivative (2S,6R,8aS)-6-methyl-7-oxo-5-[(1S)-1,3,3-trimethylcyclohexyl]-2,6,7,8a-tetrahydrofuro[4,3,2-ij]isochromen-2-yl acetate found in a sea slug of the genus Goniobranchusapoaequorin(biochemistry) An apoprotein found in the photoprotein aequorin.apoareion(astronomy) Apoapsis around Mars.apoareon(planetology) Alternative form of apoareion.apoastron(astronomy) Alternative form of apastron.apobaramin(creationism) A group of similar holobaramins.apobaryon(astronomy) The furthest point of an astronomical object in an elliptical orbit to the center of mass of the system.apocalmodulin(biochemistry) The apoprotein form of calmodulin that lacks a central calcium atomapocalypticianOne who believes in a coming apocalypse.apoceruloplasmin(biochemistry) The apoprotein of ceruloplasminapocopation(linguistics) A word formed by removing the end of a longer word.apocritanAny insect of the suborder ApocritaapocryphonSynonym of apocrypha.apocynin(organic chemistry) A derivative of acetophenone that occurs in many plants; it has some potential medicinal propertiesapocynthion(astronomy) The point in an orbit around the Moon that is most distant from that body.apocytherionApoapsis around Venus.apodaceanAny holothurian of the subclass ApodaceaapoditrysianAny micromoth of the clade Apoditrysiaapodization(mathematics) Any of several techniques to modify the form of a mathematical function, or of a spectrum etc. by smoothing or removing irregularitiesapoferritin(biochemistry) Part of the ferritin that is not combined with ironapoflavodoxin(biochemistry) The apoprotein of flavodoxinapoflavoprotein(biochemistry) The apoprotein of a flavoproteinapogalacticon(astronomy) The point in the orbit of a star at which it is furthest from the centre of its local galaxyapogeanConnected with the apogee.apoglobin(biochemistry) A form of a globin that lacks a heme unitapohemoglobin(biochemistry) The apoprotein of hemoglobinapohemoprotein(biochemistry) The apoprotein of a hemoproteinapohermion(astronomy) Apoapsis around Mercury.apoideanRelating to bees of the superfamily Apoidea.apokron(rare) Alternative form of apokrone.apolactoferrin(biochemistry) The iron-free form of lactoferrinapolipophorinAny of a group of apolipoproteins that function in lipid transport and lipoprotein metabolismapolipoprotein(biochemistry) Any polypeptide or protein that can serve as an apoprotein by binding with a lipid to form a lipoprotein.apollonianClear, harmonious, and restrained.apollonicon(music) A particular type of barrel organ that also had a keyboard.apologianApologist; one who makes an apologia.apologization(very rare, nonstandard) Action of apologizing; apology.apolytikionA troparion chanted at Orthodox Christian worship services, summarizing the feast being celebrated that day.apomedicationThe nonmedical use of a material (typically cannabis) that also has a medical useapometalloprotein(biochemistry) The form of a metalloprotein that lacks the coordinated metal atomapomnemiopsin(biochemistry) The apoprotein of mnemiopsinapomucin(biochemistry) The apoprotein of a mucinapomyoglobin(biochemistry) A form of myoglobin that lacks a heme unitaponigricon(astronomy) Apoapsis around a black hole.aponogeton(botany) Any plant of the genus Aponogeton.apopain(biochemistry) An enzyme that catalyzes the proteolytic degradation of PARPapophallation(biology) The biting off of the penis that occurs in some animals and molluscs during or after mating.apoposeidionApoapsis around Neptune.apoprotein(biochemistry) The polypeptide part of a conjugated protein; for example, an apolipoprotein plus a lipid particle yields a lipoprotein.apoprotininMisspelling of aprotinin.apoptin(biochemistry) A short, nonstructural viral protein encoded by Chicken anemia virus.apoptogen(biochemistry) Any chemical substance that induces apoptosis.apoptolidin(organic chemistry) A macrolide that has some antitumour effectsaporphinAlternative form of aporphine.aposafraninAlternative form of aposafranine.apostemation(obsolete, medicine) The formation of an aposteme; the process of suppuration.apostrophation(rare) Personal address via apostrophe (an exclamatory speech).apostrophisationAlternative spelling of apostrophization.apostrophizationThe use of apostrophe characters.apotransferrin(biochemistry) The apoprotein of transferrinapotropaionSomething that wards off evil; an amulet or magic charm.apouranionApoapsis around Uranus.apovitellenin(biochemistry) Any of a group of avian lipoproteinsapparation(obsolete) A preparation.apparitionAn act of becoming visible; appearance; visibility.appellation(formal or dated) A name or title by which someone is addressed or identified; a designation.appellativization(linguistics) The process of a proper name becoming a common noun.appendication(obsolete) An appendage; attachment; something added; an extra part.appendicularian(zoology) Pertaining to the class Appendicularia of tailed tunicates.appension(countable) Something that was appended; an addendum.apperception(uncountable) Psychological or mental perception; recognition.appersonation(psychology) The act or process of appersonatingappertainTo belong to or be a part of, whether by right, nature, appointment, or custom; to relate to.appertisationpreservation of food by canning (or a similar earlier method using glass bottles)appetitionA desire, longing for, or seeking after of something.appification(computing) The conversion of traditional programs, websites, etc. into small, self-contained apps targeting mobile devices.appilationMisspelling of appellation.applagin(biochemistry) A particular disintegrin.applanation(pathology, ophthalmology) The flattening of the cornea, especially by the application of pressure.applejohn(obsolete) A variety of apple which can be kept for a long period, gradually becoming dry and withered; known today as the French crab.applewoman(historical) A woman who sells apples outdoors.applicationThe act of physically applying or laying on.applnAbbreviation of application.apportion(transitive) To divide and distribute portions of a whole.apposition(grammar) The relationship between such nouns or noun phrases.apprecation(obsolete) Earnest prayer; devout wish.appreciationThe act of appreciating.apprehension(law) The act of seizing or taking by legal process; arrest.approbationThe act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval, sanction, commendation or official recognition.appropinquationThe act of drawing near; an approach.appropriationAn act or instance of appropriating.approtininMisspelling of aprotinin.approvision(transitive) To supply with provisions.approximation(uncountable, countable) The act, process or result of approximating, as:appulsion(obsolete, rare) A driving or striking against; an appulse.apramycin(pharmacology) An aminoglycoside antibiotic.aprataxin(biochemistry) A DNA-binding protein involved in the repair of single-strand DNA breaksaprication(rare) The act of apricating, or basking in the sun.aprinocarsenA specific antisense oligonucleotide inhibitor of protein kinase "C-alpha"aprocitentan(pharmacology) An endothelin receptor antagonist researched for its effect on resistant hypertension.apronThe short cassock ordinarily worn by English bishops.apronitin(medicine) An antifibrinolytic trypsin inhibitoraproptinMisspelling of aprotinin.aprosdoketonA figure of speech where an expected word in an idiom is replaced unexpectedly by an unusual one, as in Rome wasn't built in a teacup.aprotaninMisspelling of aprotinin.aprotinin(biochemistry) A polypeptide, obtained from bovine lung tissue, that acts as a protease inhibitor, and is used in surgery to reduce bleedingaprotoninAlternative form of aprotinin.apstatinAlternative form of apastatin.aptaprecipitationprecipitation of aptamersaptapurification(rare, biochemistry) The separation and purification of specific aptamersapteran(zoology) Any of the Aptera, an obsolete taxonomic category of wingless arthropods.apterin(organic chemistry, biochemistry) A furanocoumarin, the glucoside of vaginol, found in Zizia aptera and other plants.aptoprecipitationprecipitation by means of an aptamerapusozoanAny member of the Apusozoa, a phylum comprising several genera of flagellate protozoa.apyrogenAny apyrogenic materialaqabamycin(organic chemistry) Any of a class of nitro derivatives of maleimides, isolated from a bacterium of the genus Vibrio, whose metabolites have antibacterial and cytotoxic propertiesaquablation(surgery) A surgical technique used for the treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia, involving the ablation of prostatic tissue with a high-velocity saline stream with the use of robotic assistance and real-time ultrasonic guidance.aquacobalaminAlternative form of aquocobalamin.aquaglyceroporin(biochemistry) A form of aquaporin that is active in the transport of water and glycerolaquaglycoporin(biochemistry) A form of aquaporin that is active in the transport of water and glycols (including glycerol)aquamationSynonym of alkaline hydrolysis.aquaporin(biochemistry) Any of a class of proteins that form water-permeable pores in the membrane of biological cells.aquarianOf or relating to an aquarium.aquathlonA swimming-and-running race.aquathonAlternative form of aquathlon.aquation(chemistry) The replacement of a ligand by water in a complexaquaturbation(soil science) The mixing of soil by water (streams or cycles of wet and dry).aquayamycinAn anthraquinone glycoside that is the basis of some antibioticsaquocobalaminThe conjugate acid of cobalaminaraban(biochemistry) A polysaccharide composed of arabinose residuesarabin(organic chemistry, dated) A carbohydrate, isomeric with cane sugar, found in gum arabicarabinan(biochemistry) A polysaccharide that is mostly a polymer of arabinosearabinoflavin(organic chemistry) A flavin, similar to riboflavin but with an arabinose moiety instead of a ribose onearabinofuranAlternative form of arabinofuranose.arabinogalactan(biochemistry) Any of a class of proteoglycans found on the cell surface of flowering plants, sometimes used as a dietary supplementarabinogalactinSynonym of arabinogalactan.arabinomannan(biochemistry) Any mannan derived from arabinosearabinosylation(organic chemistry) Any reaction that adds an arabinosyl grouparabinoxylan(cytology) A hemicellulose found in the primary and secondary cell walls of plants, consisting of copolymers of arabinose and xylose.arachin(organic chemistry) The triglyceride of arachidic acidarachneanResembling or characteristic of a spider.arachnidan(zoology, archaic) arachnid (any of the Arachnida).arachnidianRelating to the arachnidsarachnoidian(anatomy) arachnoidarachnolysinThe active hemolytic principle of the poison of the garden-spiderarachnotoxinAny of several neurotoxins found in the venom of spidersaracytin(pharmacology) cytarabinearalosaurin(paleontology) Any dinosaur of the tribe Aralosaurini.araneidan(rare) Any spideraranotin(pharmacology) An antiviral drug.arapaiminAny fish of the genus Arapaimaaration(obsolete, agriculture) ploughing, tillagearaucariaceanAny conifer of the family Araucariaceaearaucarian(botany) Relating to, or of the nature of, trees of family Araucariaceae.arbacin(organic chemistry) A substance prepared from the sea urchin of genus Arbacia.arbekacin(pharmacology) A semisynthetic aminoglycoside antibiotic.arbitrationThe act or process of arbitrating.arboreanArchaic form of arboreal.arborizationAny branching, treelike shape or formation.arbourisationAlternative form of arborization.arbourizationAlternative form of arborization.arbutean(obsolete) Made from arbute, the wood of the strawberry tree.arbutin(organic chemistry) A glycoside of hydroquinone, found in bearberry, that is used to treat some diseases of the urinary tractarcadianPertaining to an arcade.arcellaceanAny protist of the order Arcellinidaarchaean(biology) Any organism of the domain Archaea.archaellation(biochemistry) Reaction with an archaellinarchaellin(biochemistry) An acetylated tetrasaccharide present in some archaeaarchaemetzincin(biochemistry) Any of a group of zinc-dependant aminopeptidases present in some archaeaarchaeobatrachianAny primitive frog or toad of the suborder Archaeobatrachia.archaeocyathanSynonym of archaeocyathid.archaeognathanAny insect of the order Archaeognatha.archaeologian(archaic) An archaeologist.archaeonA prokaryotic organism; a member of the domain ArchaeaarchaeoplanktonAny marine plankton of the kingdom ArchaeaarchaeopteridaleanRelating to the archaeopteridsarchaeorthopteranAny insect of the superorder ArchaeorthopteraarchaeostracanAny extinct crustacean of the order ArchaeostracaarchaeozoonAny animal known only from archaeological evidencearchaeplastidan(biology) Any autotrophic eukaryote of the kingdom Archaeplastidaarchaerhodopsin(biochemistry) Any of a group of proteins, isolated from halobacteria, that are light-driven proton pumpsarchaizationProcess of becoming or turning something more archaic.archangelicin(organic chemistry) An angular furanocoumarin chemical compound found in angelica root, 2-(9-{[(2Z)-2-methylbut-2-enoyl]oxy}-2-oxo-2H,8H,9H-furo[2,3-H]chromen-8-yl)propan-2-yl (2Z)-2-methylbut-2-enoatearchchamberlain(historical) A chief chamberlain; a secular royal officer of the Holy Roman Empire, whose was elected by the Elector of BrandenburgarchchaplainA senior chaplain in a French royal courtarchdeacon(Anglicanism, Eastern Orthodoxy) A senior administrative official in a diocese, just under the bishop, often in charge of an archdeaconry. As a title, it can be filled by either a deacon or priest.archdeanA member of a discontinued Catholic ecclesiastical office, higher in rank than a dean.archdemon(religion, fantasy) A chief demon; an archdevil.archdiocesan(ecclesiastical) Of or relating to an archdiocese.archealization(biology) The restoration of an ecosystem of other biological system to its original, prehistoric formarcheenAlternative form of arshin.archencephalon(developmental biology) The primitive forebrain area of an embryo.archenteron(anatomy) A primitive alimentary cavityarcheobatrachianAlternative form of archaeobatrachian.archeonAlternative spelling of archaeon.archflamenA chief flamen or priest.archididascalianof, like or pertaining to headmastersarchiestrogen(biochemistry) A naturally occurring estrogen mimic.archimedeanAlternative letter-case form of Archimedean.archinAlternative form of arshin.archipolypodanAny extinct millipede of the superorder ArchipolypodaarchitecturalizationAdaptation to architectural purposes.archivation(rare) Archival; the act of archiving something.archivizationSynonym of archival.archmagicianA very powerful magician.archonA chief magistrate of ancient Athens.archostematanRelating to beetles of the suborder Archostemataarchpaladin(very rare, science fiction, fantasy, video games) A supreme paladin.archqueen(rare) A chief queen.archsinA chief or primary sin.archvillain(chiefly narratology) A supreme villain; the most evil or powerful villain.arcminAbbreviation of arcminute.arcsinAbbreviation of arcsine.arctanAbbreviation of arctangent.arctation(obsolete, medicine) Stenosis.arcticianOne who has investigated matters relating to the Arctic regions; an Arctic explorer.arcticizationThe process of arcticizing.arctigeninA lignan, present in plants of the genus Arctium, that is the aglycone of arctiinarctiinA lignan, present in plants of the genus Arctium, that is a glucoside of arctigeninarctoidean(zoology) Of or relating to the infraorder Arctoidea.arctometatarsalian(anatomy) Having arctometatarsalsarcuationThe act of bending or curving; the state of being bent; crookedness.ardeparin(pharmacology) A particular anticoagulant.ardian(military, historical) A proposed but unadopted air-officer rank of the Royal Air Force equivalent to air vice-marshal.arealizationThe development of areas (as in the brain) that have different functionarefaction(rare or obsolete) The fact or process of drying; desiccation.aren(obsolete or dialectal) first-person plural simple present of bearenationA form of therapeutic bathing in hot sand.arenicinAny of a particular group of antimicrobial peptidesarenimycinAn antibiotic, with active against rifampin resistant bacteria, present in the marine actinomycete Salinispora arenicolaarenization(geology) The formation of sand by weathering of granite or similar coarse-grained rockarenobufagin(organic chemistry) A cardiotoxic bufanolide steroid secreted by the Argentine toad Bufo arenarum, having similar effects to digitalis.arenosclerin(organic chemistry) Any of a group of macrocyclic alkaloids present in sponges of the genus ArenoscleraareolationAn areola, or a similar form of a space surrounded by something of a different colour.arfaptin(biochemistry) A protein (or associated domain) that interacts with ARF1argamanAn Israeli wine grape.arganA tree of species Sideroxylon spinosum (formerly Argania spinosa), of southwestern Morocco, particularly prized for its oil.argatroban(pharmacology) A particular anticoagulant.argentaffin(cytology) That is stained by silver saltsargentaminAlternative form of argentamine.argentannickel silverargentationThe process of coating with silver or a silver compound; silvering.argentian(mineralogy) Containing silver.argention(inorganic chemistry, archaic) ionized silverarghanAlternative form of argan.argifin(biochemistry) A cyclopentapeptide, produced by species of genus Gliocephalis (syn. Gliocladium), that inhibits chitinases.argillan(geology) A clay skin, a kind of cutan.argilliturbation(geology, archaeology) A mixing process in clay rich soils subjected to cycles of wet and dry, whereby the soil expands when wet and contracts as it dries, causing soil, stones and artefacts to move up and down.argillization(geology) The formation of argillic clay from feldsparsargilluviation(soil science) The downward movement of clay in a soil profile by water.arginylation(organic chemistry) The addition of an arginyl group to a compound.argiotoxin(biochemistry) One of several polyamine toxins isolated from the orbweaver spider.argipressin(biochemistry) The vasopressin.argoinfiltrationMisspelling of agroinfiltration.argon(countable) A single atom of this element.argophyllin(organic chemistry) Either of two sesquiterpene lactones present in the sunflower Helianthus argophyllusargotrobanMisspelling of argatroban.argufication(archaic, nonstandard) The act of argufying; argument.argumentationInference based on reasoning from given propositions.argutation(obsolete) nitpicking; arguing about trivialitiesargyrin(medicine) Any of a class of antitumour drugs obtained from myxobacteriaaridification(environmental science) The long-term process by which a region becomes more aridaridisationAlternative form of aridization.aridizationThe process by which a region becomes aridarietation(obsolete) The use of a battering ram, or similar.ariolation(obsolete) Soothsaying; prophecy.arisenpast participle of arisearisteromycin(organic chemistry) A carbanucleoside form of adenosine (1R,2S,3R,5R)-3-(6-aminopurin-9-yl)-5-(hydroxymethyl)cyclopentane-1,2-diolaristocratisationAlternative form of aristocratization.aristocratization(politics) The fact or process of becoming aristocratic.aristolochinSynonym of aristolochic acid.arithmetician(now rare) One with expertise in arithmetic; a mathematician.arithmetitianObsolete form of arithmetician.arithmetization(mathematics) The treatment of mathematics by methods involving only the fundamental concepts and operations of arithmetic.arjunetinA flavonoid found in the tree Terminalia arjuna.arjunolitinA triterpene glycoside found in the tree Terminalia arjuna.arkan(Islam) The five "pillars", requirements or devotional duties of Islam: shahada, salat, zakat, saum and hajjh.armageddonThe scene of a decisive conflict on a great scale.armarianSynonym of armarius (“medieval monastery librarian”).arminaceanA sea slug of the suborder Arminacea.armozeenA thick plain silk, generally black, used for clerical garments.armspanAlternative form of arm span.armymanA member of a Chinese Communist army.arnicin(organic chemistry) A bitter resin that is an active principle of wolfsbane (Arnica montana).aromadendrinA flavanonol found in the wood of Pinus sibirica.aromatisationAlternative spelling of aromatization.aromatization(petrochemistry) The conversion of aliphatic components of petroleum into aromatic compounds as part of the refining process.aroylation(organic chemistry) Reaction with, or conversion to an aroyl grouparpeggiation(music) The act of arpeggiating, of spreading a chord out instead of playing the notes simultaneously.arpenAlternative form of arpent (old unit of measure)arraign(with on, (archaic) for) To officially charge someone in a court of law.arran(Yorkshire, obsolete) spiderarrentation(law, UK, historical) A letting or renting, especially a licence to enclose land in a forest with a low hedge and ditch, under a yearly rent.arreption(obsolete) The act of taking away; removalarrestationThe act of arresting.arrestin(biochemistry) Any of a group of proteins that regulate signal transduction within cells.arrogation(law) The unjust assumption of rights or privilege.arrosion(medicine) The wasting away of a vessel wall under pressure.arsacetin(organic chemistry, medicine) The arsonic acid (4-acetamidophenyl)arsonic acid formerly used to treat syphilis and trypanosomiasisarschinAlternative form of arshin.arseclown(Commonwealth, sometimes considered vulgar, slang, often humorous) Alternative form of assclown.arsenatian(mineralogy) Containing arsenate anions.arsenation(chemistry, dated) Conversion of a substance to, or reaction of a substance with, an arsenate (“a salt or ester of arsenic acid”).arsenian(mineralogy) Containing pentavalent arsenic.arsenication(chemistry) reaction with arsenicarsenitian(mineralogy) Containing arsenite anions.arsenoan(mineralogy) Containing trivalent arsenic.arsenophenylglycin(organic chemistry) An arsenic compound used to treat trypanosomiasis in animals.arsheenAlternative form of arshine.arshinAn obsolete Russian length unit, equal to 71.12 centimeters, or 28 inches.arslikhan(UK, slang) Overt flattery, especially in print.arsonThe crime of deliberately starting a fire with intent to cause damage.arsphenaminAlternative form of arsphenamine.arteannuinSynonym of artemisinin.artefactualizationAlternative form of artifactualization.artemesininMisspelling of artemisinin.artemin(biochemistry) A neurotrophin, or nerve growth factor, in the GDNF family, bonding to the receptor GFRalpha3-RET.artemisin(organic chemistry) A sesquiterpene lactone, similar in structure to α-santonin.artemisinin(organic chemistry, pharmacology) An antimalarial drug derived from the sweet wormwood shrub, Artemisia annua, found as the active ingredient in traditional Chinese medical herbal treatment for malaria, chemically a sesquiterpene lactone - C₁₅H₂₂O₅.artemon(historical) A square foresail on a Roman oared ship.artepillin(organic chemistry) Any of a group of prenylated derivatives of coumaric acid that has antioxidant propertiesartepirinAlternative form of artepillin.arterialisationAlternative form of arterialization.arterialization(physiology) The conversion of venous blood into arterial blood (by absorption of oxygen in the lungs, gas exchange, and reoxygenation).arterioconstrictionArterial constriction: constriction of an artery or arteries.arteriodilationArterial dilation: dilation of an artery or arteries.arterioembolizationarterial embolizationarternoonPronunciation spelling of afternoon.artesian(hydrology) Of a water supply, rising to the surface under its own hydrostatic pressure.arthenObsolete form of earthen.arthothelin(organic chemistry) Any of a group of xanthenones, based on 2,4,5-trichloro-1,3,6-trihydroxy-8-methylxanthen-9-one, present in lichen.arthrobactin(organic chemistry) A particular dihydroxamate siderophore related to citric acidarthrodiran(zoology) Any of a group of extinct fish of the order Arthrodira.arthrofactin(biochemistry) A cyclic lipopeptide, that functions as a surfactant, produced by Arthrobacter bacteriaarthronAn articulation or joint.arthropodan(zoology) Of, or relating to, arthropods.arthropodean(zoology) Of, resembling, or relating to the Arthropoda.arthropodianSynonym of arthropod.arthropodin(biochemistry) Any of a class of proteins found in the cuticles of insects.arthropodization(biology) The appearance of hard, ring-like joints around the legs.arthropsin(biochemistry) Any of a class of opsins present in arthropodsarticulation(countable or uncountable) A joint or the collection of joints at which something is articulated, or hinged, for bending.artifactualizationAct or process of artifactualizing.artificializationProcess of artificializing.artillerymanA soldier enlisted in an artillery unit or who uses artillery.artillerymenplural of artillerymanartillerywoman(military) A female soldier who uses artillery.artinianAlternative letter-case form of Artinian.artiodactylanAny even-toed ungulate of the order ArtiodactylaartisanA skilled manual worker who uses tools and machinery in a particular craft.artizanArchaic spelling of artisan.artoindonesianin(organic chemistry) Any of a class of organic compounds derived from Artocarpus species.artophorion(Eastern Orthodoxy) The tabernacle on the high altar in an Eastern Orthodox churchartsman(obsolete) A man skilled in an art or in arts.artsploitation(art, slang) A genre of art that relies on self-reference;arundoin(organic chemistry) The terpenoid ether (3R,3aR,5aR,5bR,7aR,9S,11aS,13aS,13bR)-9-methoxy-3a,5a,8,8,11a,13a-hexamethyl-3-propan-2-yl-1,2,3,4,5,5b,6,7,7a,9,10,11,13,13b-tetradecahydrocyclopenta[a]chrysenearylamidation(organic chemistry) amidation involving an aryl amidearylamination(organic chemistry) reaction with an arylaminearylation(organic chemistry) Any reaction that involves the addition of one or more aryl groupsarylbenzofuran(organic chemistry) Any aryl derivative of a benzofuranarylboron(organic chemistry) Any aryl organoboron compoundarylfuran(organic chemistry) Any aryl derivative of a furanarylhydrocarbon(organic chemistry) Any hydrocarbon that has at least one aryl grouparylomycinAny of a particular class of antibioticsarylphorin(biochemistry) A larval storage proteinarylporphyrin(organic chemistry) Any aryl derivative of a porphyrinarylsulfonylation(organic chemistry) A sulfonylation reaction that uses an arylsulfonyl radicalarytenoepiglottideanSynonym of aryepiglottic.asbestificationThe process of asbestifying.asbestizationThe act of asbestizing.asbestosizationThe act of asbestizing; asbestization.asbolin(organic chemistry) An acrid oil obtained from wood soot.ascalabotan(zoology) A squamate of the clade AscalabotaascensionThe act of ascending; an ascent.ascertain(transitive) To find out definitely; to discover or establish.aschizan(entomology) Of or pertaining to the dipteran section Aschiza.ascidiacean(zoology) Any of the class Ascidiacea of sea squirts.ascidianAny member of the class Ascidiacea (the sea squirts)asclepinA particular steroid glycoside.ascolichenAny lichen whose fungal component is an ascomyceteascomycin(organic chemistry) An ethyl analogue of tacrolimus with strong immunosuppressant properties.ascomycotanOf or relating to the Ascomycota.ascon(biology) A cavity, in the form of a bag or tube, lined with choanocytes, that forms the structure of spongesascophoranAny bryozoan of the suborder Ascophora (syn. of Flustrina).ascophyllanA fucose-containing, sulfated polysaccharide isolated from brown alga of the genus Ascophyllum.ascorbylation(organic chemistry) Reaction with ascorbic acid to introduce an ascorbyl group into a moleculeascriptionThe act, or an instance, of ascribing a quality, characteristic, quotation, artistic work, or other thing to someone or something.asebotoxin(organic chemistry) One of the grayanotoxins; grayanotoxin I.asecretionthe absence of normal secretionasectarian(religion, uncommon) Not sectarian; lacking sectarianism.aseptolin(medicine, historical) A drug formerly used to treat tuberculosis, malaria, etc.asexualisationAlternative spelling of asexualization.asexualizationThe act or process of asexualizing.ashcanA container for collecting ashes, especially from wood and coal fires, for eventual disposal elsewhere.ashenMade from the wood of the ash-tree.ashman(obsolete) One employed to collect ash.ashmenplural of ashmanashpanA container beneath a boiler's furnace, catching ash and clinker that falls through the firebarsasialofetuin(biochemistry) A glycoprotein that can be obtained from fetal calf serum.asialogalactosylation(organic chemistry) glycosylation involving a asialogalactose moietyasialoglycan(organic chemistry) Any glycan that lacks sialic acid groupsasialoglycoprotein(biochemistry) Any glycoprotein from which the sialic acid residues have been removedasialotransferrinA transferrin with no sialic acid residues attachedasianAlternative letter-case form of Asian.asklepianThe symbol of a rod entwined with a serpent, ⟨⚕⟩, which represents healing and medicine.asocaseinMisspelling of azocasein.asolectin(biochemistry) A mixture of phospholipids obtained commercially from soybeansasolectionAlternative form of asolectin.asparaninA particular steroid glycoside.asparasaponinA particular steroid glycoside.aspartylation(organic chemistry) Reaction with an aspartyl groupaspection(obsolete) The act of viewing; a look.aspenPertaining to the asp or aspen tree.asperationHarshness; unpleasantness.aspercetin(biochemistry) A hemorrhagic protein in the venom of a lancehead snake (Bothrops asper).aspergillinA black pigment obtained from Aspergillus.aspergillopepsin(biochemistry) Any of a group of pepsins found in Aspergillus fungi.asperinA particular steroid glycoside.aspersionAn attack on somebody's reputation or good name, often in the phrase to cast aspersions upon….asphodelin(organic chemistry) A bianthraquinone obtained from Asphodesus microcarpus.asphyxiationDeath due to lack of oxygen.aspicillin(organic chemistry) An 18-membered cyclic molecular substance with IUPAC name (3Z,5R,6S,7R,18S)-5,6,7-trihydroxy-18-methyl-1-oxacyclooctadec-3-en-2-oneaspiculamycin(medicine) A particular cytosine nucleoside antibioticaspidinA spongy bonelike material that made up the skin of the jawless fish AstraspisaspidistrinA particular steroid glycoside.aspin(Philippines) Synonym of askal.aspirationThe action of aspirating.aspirin(uncountable, organic chemistry, pharmacology) an analgesic drug, acetylsalicylic acidaspochalasin(organic chemistry) Any of a group of macrocyclic ketones present in Aspergillusasporin(biochemistry) A protein similar to decorinasportation(law) The illegal movement of goods or carrying away of a person.asporulationA lack of sporulationaspoxicillin(pharmacology) An acylaminopenicillin, synthesized from amoxicillin.asprinMisspelling of aspirin.aspronAlternative form of asper.assain(obsolete, transitive) To heal or save.assapan(Southern US, now uncommon) A southern flying squirrel (Glaucomys volans), found in the southern and eastern United States.assarionSynonym of as (“Ancient Roman coin”).assassinSomeone who intentionally kills a person, especially a professional who kills a public or political figure.assassinationThe murder of a person, especially for political reasons or for personal gain.assation(obsolete) Roasting, baking.assbrain(Canada, US, slang, sometimes considered vulgar, derogatory or offensive) An idiot; a fool.assclownA jerk; a buffoon; a person who is inept or ill-behaved to the point of being found laughable by others.assecuration(obsolete) Assurance; certainty.assecution(obsolete) acquisition; an obtainingassemblymanA male member of an assembly.assemblymenplural of assemblymanassemblypersonAn assemblymember; an assemblyman of any gender.assemblywomanA female member of an assembly.assemblywomenplural of assemblywomanassentationInsincere or obsequious assent; hypocritical or pretended concurrence.assertationAn assertion, statement of opinion.assertionThe act of asserting; positive declaration or averment.asservationMisspelling of assertation.assessionThe act of assessment.assetizationThe process of converting something into an asset.asseverationAn earnest affirmation; a declaration of support.assibilation(phonology) A sound change resulting in a sibilant consonant, commonly the final phase of palatalization.assicon(Internet slang) An emoticon that takes the form of buttocks.assign(transitive) To designate or set apart (something) for some purpose.assignationAn appointment for a meeting, generally of a romantic or sexual nature.assimilationThe act of assimilating or the state of being assimilated.assimulationObsolete form of assimilation.assmanSomeone who rides a donkey.assnAbbreviation of association.associahedron(mathematics) A convex polytope in which each vertex corresponds to a way of correctly inserting opening and closing parentheses in a word of n letters and the edges correspond to a single application of the associativity rule.association(uncountable) The act of associating.assoonArchaic spelling of as soon (as).assortationThe act of assortingassoziation(non-native speakers' English) Misspelling of association.assrun(US, video games, slang) To follow (a player in a first-person shooter game) in order to shoot them from behind.asston(slang, vulgar, US, humorous) A large amount; an assload.assuefaction(obsolete) habituationassumptionThe act of assuming, or taking to or upon oneself; the act of taking up or adopting.asswagon(derogatory, slang, vulgar) A term of abuse.astacein(organic chemistry) A particular carotenoid.astacin(organic chemistry) astaxanthinastasinA particular steroid glycoside.astatination(chemistry) Reaction with astatineastaxanthin(organic chemistry) A xanthophyll pigment that occurs widely in plants and animals, especially crustaceans.asteraceanBelonging to or characteristic of the taxonomic family Asteraceae.asterion(anatomy) The point on the side of the skull corresponding to the posterior end of the parietomastoid suture.asteriosaponinAny of a group of toxic saponins produced by starfishasteriotoxinAny of a group of toxic steroids produced by starfish (of the class Asteroidea)asternBehind (a vessel); in the rear.asterobactinAn antibiotic [3-[[1-[1-[[5-[carbamimidoyl(hydroxy)amino]-1-(hydroxyamino)-1-oxopentan-2-yl]amino]-2-methyl-1-oxoundecan-3-yl]oxy-5-[formyl(hydroxy)amino]-1-oxopentan-2-yl]amino]-2-hydroxy-3-oxopropyl] 2-hydroxybenzoate present in Nocardia asteroidesasteroideanAny starfish of the class Asteroideaasteroidian(zoology) Of or relating to the Asteroidea.asteron(cytology) An astrocyte / neuron hybrid cellasterosaponinA particular steroid glycoside.asterozoanAny animal in the echinoderm subphylum Asterozoa, which includes the brittle stars, basket stars and starfishastexin(biochemistry) Any of a family of heat-sensitive lasso peptidesastilbin(organic chemistry) A flavanonol found in Astilbe and other plants, used as an insecticide.astipulation(obsolete) stipulation; agreementaston(UK, broadcasting) A lower third.astrachanAlternative form of astrakhan.astraciceranA fungicidal isoflavan found in Astragalus cicer.astraean(zoology, obsolete) Relating to the former genus Astraea or the family Astraeidae.astragalinA chemical compound, a 3-O-glucoside of kaempferol, found in Phytolacca americana, the American pokeweed.astragalocalcanean(anatomy) Relating to the astragalus and the calcaneusastrainstrained or strainingastrakanAlternative form of astrakhan.astrakhanClosely-curled black or grey fleece of very young karakul lambs from Astrakhan.astrapotherian(paleontology) Any member of the order †Astrapotheria of extinct mammals.astration(physics, astronomy) In the galactic cycle of matter, the incorporation of matter into a stellar interior during star formation, especially when referring to a specific element or isotope.astrictionThe act of binding; restriction; obligation.astrionSynonym of astroite.astrocytin(biochemistry, immunology) A recognin, present on the cell membrane of astrocytes, found in the serum of patients with malignant glial tumorsastrogation(science fiction) Astronavigation (navigation through space).astrologian(obsolete) An astrologer.astrometrician(astronomy) One who studies astrometry.astromicin(pharmacology) An aminoglycoside antibiotic.astromyxinSynonym of star jelly.astronavigation(nautical) Navigation by using the positions of the stars and other heavenly bodiesastronomian(obsolete, rare) An astrologer.astropecten(zoology) Any of the genus Astropecten of sea stars.astrophorinAny sea sponge of the suborder AstrophorinaastrophytonThe giant basket star, an early Mesozoic invertebrate.astroprojectionthe event when the person's spiritual form leaves their physical form and hallucinates or travels, or the practice of experiencing such spiritual travelastrotactin(biochemistry) A glycoprotein associated with the migration and adhesion of neuronsastun(obsolete) To astonish.asudden(poetic or dialect) of a sudden; suddenlyasun(Nigeria) A Yoruba dish made from roasted goat meat sautéed in spicy peppers and other vegetables.aswaddumizationAlternative form of asweddumization.asweddumisationAlternative form of asweddumization.asweddumization(Sri Lanka) The bringing of land under cultivation.aswoonIn a swoon; swooningly.asymmetrizationThe process, or the result of making something asymmetric.asymmetron(physics) A massive scalar field proposed as a form of dark matterasynchronizationThe condition of being asynchronous or of being asynchronizedasyndeton(grammar, rhetoric) Omission of conjunctions, especially for rhetorical effect.atabinogalactanMisspelling of arabinogalactan.atagabalin(pharmacology) A drug related to gabapentin, under development for the treatment of insomnia.ataluren(organic chemistry, pharmacology) A novel small-molecular agent designed to make ribosomes become less sensitive to, or possibly ignore, premature stop codons.ataman(historical) A title of Cossack and haidamak leaders of various kinds. The term was also used for the leader of a fisherman artel and of a band of robbers or thieves.ataxin(biochemistry) Any of several proteins, found in several organs of the body, that have an association with ataxiaatebrinA preparation of the drug quinacrine, formerly used as an antimalarial.atelocollagenA water-soluble form of collagen, used in cosmetics and for culturing cells, formed by removal of telopeptidesaten(nonstandard) past participle of eat; eatenatentebenA type of bamboo flute from Ghana that is played vertically.athan(Islam) Alternative spelling of adhan.atheisationAlternative spelling of atheization.atheizationProcess of making atheistic.athenarianAny sea anemone of the infraorder AthenariaatheroablationAblation of an atheroma.atheroprogressionThe development of atheromas, especially on the walls of the arteriesatheroprotectionprotection against the formation of atherosclerosisathyridaceanAny brachiopod of the superfamily AthyridaceaatilmotinA particular motilin receptor agonist.atiprosinAn antihypertensive agent.atlantogenatanAny mammal of the clade Atlantogenata.atlastin(biochemistry) Any of a family of proteins whose function is to fuse cell membranesatloidean(anatomy) Relating to the atlas boneatman(Hinduism, Buddhism, Jainism, Vedanta) The true self of an individual beyond identification with worldly phenomena, the essence of an individual, an infinitesimal part of Brahman.atmospherizationThe conversion of venous into arterial bloodatomician(obsolete) An atomist.atomisationAlternative spelling of atomization.atomizationThe act or an instance of atomizing.atopen(obsolete, immunology) Anything that induces an atopic allergyatophan(organic chemistry, pharmacology) Synonym of cinchophen (“analgesic drug”).atorvastatin(pharmacology) A statin used to lower the level of cholesterol in the blood. Trade names include Lipitor among others.atorvastinMisspelling of atorvastatin.atorvostatinMisspelling of atorvastatin.atosiban(medicine) A medication that inhibits oxytocin and vasopressin, used to halt premature labour.atrabilarianCharacterized by melancholy or glum; atrabilarious; atrabilious.atractylodin(organic chemistry) The diacetylenic furan 2-[(1E,7E)-nona-1,7-dien-3,5-diynyl]furanatractylon(organic chemistry) The benzofuran (4aS,8aR)-3,8a-dimethyl-5-methylidene-4,4a,6,7,8,9-hexahydrobenzo[f][1]benzofuran present in rhizomes of Atractylodesatranorin(organic chemistry) A secondary metabolite found in lichens.atrasentan(pharmacology) A drug being researched for the treatment of various cancers.atren(intransitive, obsolete) To run away; escape.atrin(intransitive, obsolete) To run away; escape (from).atriohisian(physiology, medicine) Of or pertaining to an atrium and the His bundle in the electrical conduction system of the heart, as (usually, more specifically) an atriohisian tract constituting an accessory tract of conduction.atriopeptin(biochemistry) Atrial natriuretic peptide, a powerful vasodilator and a protein (polypeptide) hormone secreted by heart muscle cells.atrogin(biochemistry) Any of a family of F-box proteins expressed during muscle atrophyatromentin(organic chemistry) A polyphenol and benzoquinone found in Agaricomycetes fungi.atrophin(biochemistry) Any of a class of proteins found in nervous tissue.atropinAlternative spelling of atropine.atropinization(medicine) Physical effects caused by atropine, including flushing, mydriasis, tachycardia, and dryness of the mouth and nose.atrovastatinMisspelling of atorvastatin.atrypaceanAny brachiopod of the superfamily Atrypacea.attacin(biochemistry) An antibacterial protein originally found in the immune haemolymph of Hyalophora cecropiaattackman(sports) A player in a position whose primary responsibility is offense.attagen(obsolete) A grey partridge (Perdix perdix) of Eurasia.attaghanArchaic form of yataghan.attainTo come to or reach (a place) by motion or progression.attamanAlternative form of ataman.attemperation(archaic) The act of attempering or regulating.attention(uncountable) Mental focus.attenuationA gradual diminishing of strength.attern(UK dialectal) Venomous; poisonous.atterration(obsolete) The act of filling up with earth, or of forming land with alluvial earth.attestationA thing that serves to bear witness, confirm, or authenticate; validation, verification, documentation.attitudinarianOne who attitudinizes; one who postures or behaves in a stilted and pretentious manner.attnAbbreviation of attention, used as a heading in letters to indicate for whom the letter is intended.attobarn(physics) A unit of surface area equal to 10⁻¹⁸ barns.attorn(intransitive, law) To transfer one's obligations from one person to another person.attractin(biochemistry) Any of a particular group of lectinsattractionThe tendency to attract.attrectation(obsolete) Frequent handling or touching; fingering.attributionThe act of attributing something.attritionGrinding down or wearing away by friction.attuition(psychology) A supposed form of apprehension midway between sensation in animals and perception in human beings.atwain(archaic) Into two parts.atween(archaic, dialectal) Between.auburnA dark reddish-brown colour, often used to describe hair colour.auchenorrhynchanAny cicada or similar insect of the suborder AuchenorrhynchaauctionA public event where goods or property are sold to the highest bidder.aucubigenin(organic chemistry) The aglycone of aucubin.aucubin(organic chemistry) An iridoid glycoside found in asterids such as Aucuba japonica.aucuparin(organic chemistry) The phytoalexin 2,6-dimethoxy-4-phenylphenolaudiation(music) The comprehension and internal realization of music by an individual in the absence of any physical sound.audibilizationThe process of audibilizing.audiodescriptionAlternative form of audio description.audiometriciana technician who carries out audiometry.audionAn early electronic amplifying tube consisting of a partially evacuated glass tube with three electrodes, a heated filament, a grid, and a plate.audition(countable) A performance, by an aspiring performer, to demonstrate suitability or talent.augen(geology) Flattened eye-shaped mineral grains present in some metamorphic rocks.augmentationThe act or process of augmenting.augmentin(medicine) The antibiotic amoxicillinaugurationaugury; divinationaulacogen(geology) A tectonic trough on a craton that is formed as the failed arm of a triple-rift junction.aularian(UK, Oxford University) A member of a hall rather than a college.auln(obsolete) An ell (unit of measure).aumeenAlternative form of ameen.auminAlternative form of ameen.auracarianMisspelling of araucarian.aurachin(organic chemistry) Any of a group of antibiotics that are quinolinone derivativesauracyanin(biochemistry) Any of a group of copper-binding proteins present in the photosynthetic bacterium Chloroflexus aurantiacusauralisationNon-Oxford British English standard spelling of auralization.auralizationThe simulation of acoustic phenomena that is used in configuring the soundscape of concert venues, public spaces, and other such environments.auranofinAn organogold compound used as an antirheumatic.aurantiamarin(organic chemistry) A yellow glucoside present in the albedo of the bitter orangeaurantiobtusin(organic chemistry) An anthraquinone present in Cassia occidentalisauraptenAlternative form of auraptene.aureation(rhetoric) The enhancement of the seriousness of a topic by the use of elaborate circumlocutions or polysyllabic or Latinate words for it.aurelianPertaining to or resembling an aurelia; gold-coloured, golden.aureobasidinAny of a family of cyclic depsipeptide antifungal antibiotics isolated from the fungus Aureobasidium pullulansaureocinAny of a class of bacteriocins produced by Staphylococcus aureus.aureofunginA particular fungicide.aureofuscin(organic chemistry) A pigment and antibiotic macrolide (1R,3R,4R,5R,7R,9R,11S,12S,13S)-5-(6-aminopurin-9-yl)-1,4,12,13-tetrahydroxy-2,6,10-trioxatricyclo[7.4.0.03,7]tridecane-11-carboxylic acid produced by Streptomyces aureofuscusaureolinA yellow pigment used in painting, composed of potassium cobaltinitrite.aureolysinAn extracellular metalloprotease expressed by Staphylococcus aureusaureomycin(medicine) The drug chlortetracycline, obtained from Streptomyces aureofaciens bacteria.aureusidin(organic chemistry) The aurone (2Z)-2-[(3,4-dihydroxyphenyl)methylidene]-4,6-dihydroxy-1-benzofuran-3(2H)-oneaureusin(organic chemistry) The aurone glycoside 2-[(3,4-dihydroxyphenyl)methylidene]-4-hydroxy-6-[(2S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1-benzofuran-3-oneaurian(mineralogy) Containing gold.auriculasinA particular prenylated isoflavonoid found in Millettia pachycarpa.aurificationAny of several processes, especially in dentistry, that involve working with gold.aurigation(rare, archaic) The act of driving a chariot or a carriage.aurin(organic chemistry) A red colouring matter derived from phenol. Used as an indicator.auristatin(pharmacology) Any of a family of particular antineoplastic agentsaurodrosopterin(organic chemistry) A minor red pigment in the eyes of Drosophilaaurofusarin(organic chemistry) A dimeric derivative of naphthoquinone 5-hydroxy-7-(5-hydroxy-8-methoxy-2-methyl-4,6,9-trioxobenzo[g]chromen-7-yl)-8-methoxy-2-methylbenzo[g]chromene-4,6,9-trioneauroglaucin(organic chemistry) An organic compound found in Aspergillus species.auroramycin(organic chemistry) A polyene macrolactam that has antibiotic and antifungal propertiesauroreanBelonging to the dawn, or resembling it in brilliant hue.aurorianAlternative form of aurorean.aurovertin(biochemistry) Any of a group of proteins that inhibits respirationauroxanthinA particular carotenoid.auscultation(medicine) Diagnosis of disorders by listening to the sounds of the internal organs, usually using a stethoscope.ausktribosphenidanAny therian of the family AusktribosphenidaeaustenitizationThe heating of iron (or another iron-based metal such as steel) to a temperature at which it changes crystal structure from ferrite to austenite.austerian(economics) Relating to, or supporting, fiscal conservatism and austerity.austeritarianOne who advocates or enacts an authoritarian policy of austerity.australidelphianAny marsupial of the superorder AustralidelphiaaustralobatrachianAny frog of the suborder AustralobatrachiaaustralodelphianMisspelling of australidelphian.australosphenidanAny echidna or platypus of the infraclass AustralosphenidaaustrovenetinA yellow-green pigment found in the fungus Cortinarius austrovenetus.autarchoglossanA squamate of the clade Autarchoglossa.authenticationSomething which validates or confirms the authenticity of something; or the process of doing so.authenticizationThe process of making something authentic.authentificationThe process of making, or establishing as, authentic.authorisationNon-Oxford British English standard spelling of authorization.authoritarianOf, or relating to, or exhibiting strict obedience to an authority; favoring authoritarianism over civic and individual liberties.authorization(countable) An act of authorizing.autoacceleration(organic chemistry) A local increase in the rate of polymerization of a viscous monomerautoacetylation(biochemistry) The intramolecular acetylation of histone acetyltransferase that functions as a control mechanism in gene expressionautoactivation(biochemistry) autocatalysisautoacylation(organic chemistry, biochemistry) intramolecular acylation, especially of an enzymeautoagglutinationThe clumping together of an individual's red blood cells by his or her own serum due to the cells being coated on the surface with antibodiesautoagglutinin(immunology) An antibody that agglutinates red blood cellsautoaggregationThe aggregation of bacteria under the influence of adhesinautoaggression(immunology) The behaviour of autoaggressive antibodiesautoalign(transitive) To align automatically.autoamplificationamplification without external meansautoamputationThe spontaneous detachment from the body and elimination of an appendage or an abnormal growth, such as of a polyp.autoantigenAny antigen that stimulates autoantibodies in the organism that produced it; an antigen produced by the self (that is, by one's own tissues).autoasphyxiationThe practice of choking or strangling oneself for sexual gratification.autoassociation(computing) The condition of being autoassociativeautoaugmentation(surgery) The augmentation of a body-part by using tissue from elsewhere, but especially enhancement of a woman's breast size and shape by using her own tissueautobahnThe high-speed intercity highways of Germany and Austria.autobiografictionfiction containing autobiographical elementsautobiotinylation(biochemistry) enzymatic biotinylation of an enzyme itselfautocalibrationautomatic calibrationautocannonA fully automatic projectile weapon similar to a machine gun, but firing shells instead of bullets and larger in calibre.autocapitalizationThe automatic capitalization of words by a word processor, as at the beginning of a sentence.autocarpianSynonym of autocarpous.autocastrationThe removal of one's own testicles.autocategorisation(computing) Automatic categorisation.autocategorization(computing, chiefly US) Automatic categorization.autocatheterizationSynonym of autocatheterism.autochthon(formal) The earliest inhabitant of an area; an indigenous person.autocitationThe citing of one's own work; self-citation.autocitrullination(biochemistry) citrullination of or by a citrullinated enzymeautoclassification(computing) Automatic classification.autoclavationTreatment in an autoclave.autocollimation(physics, astronomy) The collimation of a telescope by means of a plane mirrorautocombustionspontaneous combustionautocompaction(geology) compaction of a stratum due to its own weightautocompensationautomatic compensationautocompilation(computing) automatic compilationautocompletionA software feature permitting form fields, etc., to be autocompleted.autocondensation(chemistry) A condensation reaction between two molecules of the same compoundautoconfiguration(computing) Automatic configuration.autoconfirmation(An) automatic confirmation.autoconnectionautomatic connectionautoconstructionThe process of building one's own house with little or no professional help.autoconsumption(economics, agriculture) The consumption by oneself of the goods that one has produced.autoconvectionspontaneous convection in a fluid layerautoconversionautomatic conversionautoconvolutionA convolution of a function with itself.autocopulation(zoology) Sexual intercourse with oneself.autocorrectionAn automatic correction, especially of text in a word processor.autocorrelation(statistics, signal processing) The cross-correlation of a signal with itself: the correlation between values of a signal in successive time periods.autocovariationSynonym of autocovariance.autocreation(computing) automatic creationautocremationself-immolationautocthonObsolete form of autochthon.autocyclization(biochemistry) The formation of a ring between two fragments of RNA.autodecomposition(chemistry) The spontaneous decomposition of a substance, especially in an explosive manner.autodecontaminationself-decontaminationautodefenestration(rare, originally a nonce word) The act of hurling oneself from a window, especially lethally.autodegradation(biology) Degradation of an organ or substance caused by itself.autodeletion(computing) Automatic deletion; the process of autodeleting.autodephosphorylation(biochemistry) The dephosphorylation of a protein catalyzed by its own enzymatic activityautodestruction(chiefly science fiction) A feature of a system whereby it destroys itself.autodetection(computing) automatic detectionautodetonation(chemistry) The spontaneous detonation of a substance.autodetoxication(biochemistry) The removal of a toxin produced by the same organismautodeubiquinationMisspelling of autodeubiquitination.autodeubiquitinationThe autoregulation of deubiquitination.autodidactionself-education; self-directed learning.autodifferentiation(mathematics, computing) The automatic differentiation of a function by a computer.autodiffusion(physics) The diffusion of atoms or molecules among similar entities, especially in a solidautodigestion(biology) The digestion of tissue by enzymes produced by the organism itself.autodimerizationautomatic dimerizationautodiploidization(genetics) The process of becoming autodiploidautodisseminationdissemination of an insecticide by introducing it into insects which are then released into the environmentautoeducationSelf-education, driven by the learner exploring topics of interest.autoenucleation(medicine) Self-inflicted enucleation of the eye.autoexcision(genetics) The removal of a gene from a copy of its own RNA.autoextractionThe extraction of one's own teeth, typically as a means of self-harm.autofecundationSynonym of self-fertilization.autofermentationendogenous fermentationautofictionA blend of autobiography and fiction; faction.autofiltrationThe filtration of material by itself, acting as its own filter medium.autofragmentation(biology) fragmentation with no physical external causeautofusionThe fusion of parts of the same structure, typically the vertebrae of the spineautogain(electronics) automatic amplification of a signalautogenerationautomatic generationautogestionself-management (joint control by workers and management)autogravitation(physics) The gravitational effect that a system exerts on itselfautohemagglutinationSynonym of autoagglutination.autohemodilutionautologous hemodilutionautohemolysin(immunology) Any hemolysin produced by the affected person's own bodyautohesion(physical chemistry, of polymers) The spontaneous bonding or adherence between two unvulcanized surfaces of an elastomer.autohypnotizationSynonym of autohypnosis.autoiconSomething that serves as an icon representing itself.autoignitionSpontaneous combustion.autoimitationThe imitation of oneself.autoimmunisationAlternative form of autoimmunization.autoimmunization(immunology) The process of becoming autoimmune.autoinactivationinactivation without external influenceautoinduction(biochemistry) The expression of an enzyme that is responsible for the metabolism of the agent expressing itautoinfectionThe infection of a primary host with a parasite, particularly a helminth, in such a way that the complete life cycle of the parasite happens in a single organism, without the involvement of another host.autoinflammationinflammation as a result of an autoimmune diseaseautoinfusionThe movement of blood from one part of the body to another by means of externally-applied pressure (to combat blood loss)autoinhibition(biochemistry) Any of several intramolecular interactions that regulate protein function.autoinjectionA (semi-)automatic injection (such as that of an autoinjector).autoinoculationinoculation into oneself (as of modified cells)autoinstallation(computing) automatic installationautoinsufflation(medicine, otolaryngology) The action of forcing air from the throat into the middle ear with one's nose plugged.autointegration(biology) intramolecular integration of a retrovirusautointeraction(sciences) self-interactionautointoxication(medicine) Poisoning due to the faulty absorption of the waste products of metabolism or of the products of decomposition within the intestines.autoion(rare, physics) An ion which has been formed by autoionizationautoionisationAlternative form of autoionization.autoionizationA process by which atoms or molecules spontaneously transition from an electrically neutral state to a lower-energy ionized stateautojoin(databases, countable) A type of join from a table to itself.autoligation(surgery) The act of ligating something to itselfautolocalization(physics) The localization of a particle by means of its own chargeautolocationSynonym of autolocate.autologin(computing) A feature that automatically logs in to a system.autolysin(biochemistry) Any enzyme that hydrolyses a component of the cell (or tissue) in which it is producedautoman(dated) A man involved in automobile manufacture.automanipulationAny gesture involving doing something to part of one's own body, such as scratching the nose.automationThe act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controls.automatisationAlternative form of automatization.automatizationThe process of making an action of a higher animal reflexive.automatonA machine or robot designed to follow a precise sequence of instructions.automedication(medicine, rare) Self-medication.automelon(Christianity) A composition used in Orthodox Christianity to create other hymns, following its melody and rhythm.automerization(chemistry) Any rearrangement reaction that yields a degenerate form of the starting materialautomethylation(biochemistry) methylation of a protein catalysed by the protein itselfautomobilizationThe process of automobilizing.automoderation(computing) Automatic moderation (of a discussion forum, etc.).automodification(biochemistry) The modification of a protein by the protein itself.auton(science fiction) A machine or robot, usually in the form of a living being, designed to follow a precise sequence of instructions.autonegationThe negation of oneself or itself.autonomation(manufacturing) Automation design concept developed at Toyota using error-proofing and automatic process defect-detection to ease human participation in demanding just-in-time manufacturing.autonomizationThe process of making something, someone or a system autonomous.autonormalizationautomatic normalizationautooxidation(chemistry) autoxidationautopenA machine that automatically writes a person's signature.autoperfusionPassive perfusion, typically during surgeryautoperpetuationThe act, or the result of autoperpetuatingautophagin(biochemistry) A cysteine protease associated with autophagyautophosphorylation(biochemistry) The phosphorylation of a kinase protein catalyzed by its own enzymatic activityautoploidization(genetics) Conversion to autoploid formautopolymerization(dentistry) The process by which an autopolymer hardens.autopolyploidisationAlternative form of autopolyploidization.autopolyploidization(genetics) The process or the result of becoming autopolyploidautopopulation(computing) automatic population (of a database with data, a form with text, etc.)autoproductionAutomatic production.autoprojection(computing theory) self-applicable partial evaluationautoproliferation(immunology) autoimmune proliferationautoprotonation(chemistry) The reaction of two identical molecules, one of which acts as a proton donor and the other as a proton acceptorautoprotonization(chemistry) Synonym of autoprotonation.autopurificationautomated purificationautoransimple past of autorunautoreaction(immunology) A reaction / immune response to one's own proteinsautoreception(biochemistry, medicine) The action of an autoreceptor.autorecognition(chiefly biology) Recognition of oneself or itself.autoredirection(computing) (An) automatic redirection.autoreduction(inorganic chemistry) reduction in the absence of a reducing agentautorefractionophthalmic examination by means of an autorefractorautorefrigerationrefrigeration by storing a liquid at its boiling point for the pressure at which it is stored, so that, as vapour boils off, heat for the phase change cools the remaining liquidautoregenerationThe process of regenerating without external influences.autoregistration(computing) Automatic registration.autoregression(mathematics) An autoregressive process that is used to model many types of natural behaviourautoregulation(biology) Any of several physiological processes in which an inhibitory feedback system counteracts change.autoreinfectionA second autoinfectionautorepression(genetics, biochemistry) repression of the expression of a protein by the protein itselfautoreproduction(biology) The ability of a gene, virus, or nucleoprotein molecule to replicate itselfautoresuscitationThe regaining of consciousness without medical intervention.autoretardation(chemistry) The retardation of a chemical reaction as a result of the reaction itself.autorotation(aviation) The rotation of the blades of a helicopter driven solely by the action of ascending airautorun(computing) Any feature that runs a program, etc. automatically.autosegmentationautomatic segmentationautoselectionautomatic selectionautoseminationSelf semination.autosensitization(biology, medicine, immunology) A hypersensitivity reaction to a self-antigen (any biomolecule of one's own body, usually a particular protein thereof). Often it does not occur until somehow triggered by an exogenous immune challenge (such as an infection), but once triggered it becomes its own ongoing molecular process that is independent of that stimulus.autosign(computing, transitive) To sign (a cryptographic certificate) automatically.autoskeleton(zoology) The true skeleton of a sponge, composed of elements secreted by the sponge itself.autosoliton(physics) A dissipative soliton; a stable solitary localized structure that arises in nonlinear spatially extended dissipative systems due to mechanisms of self-organization.autosporulationSynonym of autosporogenesis.autostabilizationautomatic stabilizationautosterilizationSterilization without the intervention of external agents.autostimulation(rare) Synonym of self-stimulation.autosuccession(ecology) An ecological succession, in which a species promotes its own continuation, so that initial population and climax are the same.autosuggestion(psychology, uncountable) The practice of suggesting thoughts to oneself, as in autohypnosis.autosumoylation(biochemistry) The sumoylation of a ligase that sumoylates other proteinsautosynchronizationautomatic synchronizationautotaxin(biochemistry) An ectonucleotide pyrophosphatase that catalyzes the conversion of lysophosphatidylcholine into lysophosphatidic acidautotetraploidization(genetics) The process, or the result of becoming autotetraploidautotitration(chemistry) automatic titrationautotoxicationSynonym of autointoxication.autotoxinAny substance that is toxic to the organism in which it is generatedautotrain(rail transport) A type of push-pull train incorporating a tank engine and passenger coaches fitted with a driver's cab.autotransduction(genetics) transduction between cells of the same organismautotransformationA self-induced transformationautotransfusion(medicine) A blood transfusion in which a person receives their own blood, extracted previously.autotranslationTranslation of a work into another language by its original author.autotransplantation(surgery) The transplantation of tissue from one part of the body to anotherautotrepanationTrepanation of oneself.autoubiquitination(biochemistry) Self-ubiquitination by a ubiquitinating enzyme, usually an E3 or E4 ubiquitin ligase. This activity can be direct, as in monoubiquitin of a lysine residue on the E3 or E4 itself, or indirect, through addition of ubiquitin to an existing polyubiquitin chain that is attached to the E3 or E4.autoubiquitylationautoubiquitinationautovaccinationvaccination by means of an autovaccineautovalidationautomatic validationautovasoregulationThe autoregulation of vascular tensionautoverificationautomatic verificationautovivification(programming) The process of autovivifying.autovivisectionThe vivisection of one's own body.autoxidation(chemistry) A spontaneous oxidation reaction that results in the slow, flameless combustion of a material.autumn(by extension) The time period when someone or something is past its prime.autumnian(archaic) autumnalauxin(botany, biochemistry) A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.auxosporulationThe formation of an auxospore by gametic fusion or autogamyavacopanA medication used to treat anti-neutrophil cytoplasmic autoantibody-associated vasculitis.avascularizationThe removal of blood from part of the body by applying external pressureavemectinMisspelling of avermectin.avemetatarsalian(zoology) A member of the Avemetatarsalia clade of archosaurs which resemble birds more than crocodiles.avenA vertical shaft leading upward from a cave passage, sometimes connecting with passages above.avenacinAny of a group of antimicrobials present in oats (Avena sativa).avenalinA globulin or legume-like protein found in oats.avenin(biochemistry) A prolamine that is the minor protein of oats.aventurinAlternative form of aventurine.aventurizationSynonym of aventurescence.avercornA reserved rent in corn, formerly paid to religious houses by their tenants or farmers.averin(Scotland) cloudberry, Rubus chamaemorus.avermectin(medicine) Any of a class of macrocyclic lactones, produced by Streptomyces bacteria, that are used medically to kill parasitesaverruncationEradication, uprooting.aversation(obsolete) A turning from with dislike; aversion.aversionOpposition or repugnance of mind; fixed dislike often without any conscious reasoning.avertin(pharmacology, organic chemistry) Synonym of tribromoethanol.averufinA chemical compound produced when averantin is acted upon by two different enzymes, a hydroxylase and an alcohol dehydrogenase.avetheropodanAny avian theropod of the clade AvetheropodaavialanAny animal belonging to the clade Avialae, including all birds and various groups of closely related dinosaursavialianAny extinct dinosaur of the clade Avialae, together with any living descendant of class Aves (the birds).avianCharacteristic of or pertaining to birds, or to bird-like or flying creatures.avianizationThe process of avianizing.aviarianPertaining to or resembling an aviary ("a place for keeping birds confined").aviationThe art or science of making and flying aircraft.avicin(organic chemistry) Any of a group of triterpenoid saponins, present in some acacias, that possess a broad range of biochemical actionsavicinylationReaction with an avicinavicularianAny of the genus Avicularia of spiders.avidin(biology) A tetrameric protein produced in the oviducts of birds, reptiles and amphibians and deposited in the whites of their eggs.avigation(dated, aviation) Aerial navigation.avilamycin(pharmacology) Any of a class of orthosomycin antibiotics produced by the fermentation of Streptomyces viridochromogenes.avision(obsolete) A vision of a prophetic or admonitory nature.avitriptanAn antimigraine drug.avocationA hobby or recreational or leisure pursuit.avolation(obsolete) Evaporation; dissipation into the air.avolitionLack of initiative or goals; one of the negative symptoms of schizophrenia. The person may wish to do something, but the desire is without power or energy.avoparcinA glycopeptide antibiotic, produced by Streptomyces candidus, that is used to treat farm animals.avornin(organic chemistry) Synonym of frangulin.avosentan(pharmacology) A particular endothelin receptor antagonist.avoterminhuman recombinant TGF-β3, a cytokine involved in cell differentiation, embryogenesis and developmentavourneen(Ireland) darling, sweetheartavulsion(medicine, pathology) The loss or separation of a body part, either by surgery or due to trauma.avuncuclan(anthropology) A societal structure, where sons are raised by their maternal uncles.awaken(transitive) To cause to become awake.awarn(transitive, obsolete) To warn.awestrickenFilled with awe.awfulizationThe process of awfulizing.awnThe bristle or beard of barley, oats, grasses, etc., or any similar bristlelike appendage; arista.awokenpast participle of awakeawomenAlternative form of awoman.axeman(also figurative) A man who wields an axe.axenization(uncountable) The process of isolating a particular organism from all others.axewomanA woman who uses an axe.axiation(biology) The development of an axis (and subsequent polarity) in an embryoaxiconA specialized lens with a conical surface.axigluon(physics) A proposed class of gluon that has chiral coloraxin(medicine) A fatty and varnish-like substance produced in Mexico by an insect, Llaveia axin, used in the arts and locally in medicine, being regarded as a good vulnerary and resolvent.axiodilaton(physics) An axion and dilaton considered as a single particleaxiologizationInterpretation in terms of axiology.axiomatisationAlternative form of axiomatization.axiomatizationThe reduction of some system or concept to a set of axioms.axiomizationSynonym of axiomatization.axion(physics) A hypothetical subatomic particle postulated to resolve certain symmetry problems concerning the strong nuclear force.axlepinSynonym of linchpin.axmanAlternative spelling of axeman.axmenplural of axmanaxon(cytology) A nerve fibre which is a long slender projection of a nerve cell, and which conducts nerve impulses away from the body of the cell to a synapse.axoprotectionprotection from damage to axonsaxotomisationThe process, or the result of axotomising.axotropin(biochemistry) A ubiquitin ligase associated with gene expressionayegreenThe houseleek (Sempervivum tectorum).ayinThe sixteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).ayn(linguistics) Synonym of ayin, the various letters representing the consonant /ʕ/ in Semitic languages.ayranAlternative form of airan (“Turkish drink made from yoghurt”).ayubowan(Sri Lanka) Salutation wishing the recipient a long life, typically as a greeting or a goodbye.azabonA particular benzenesulfonamide with a structure based on sulfanilamide but incorporated into an azabicyclic design.azacoumarin(organic chemistry) Any of several isomeric organic compound related to the coumarins but having a pyridine ring instead of a benzene ringazadirachtinAn insecticide of complex structure extracted from the seeds of the neem tree.azadiractinAlternative spelling of azadirachtin.azaerythromycin(organic chemistry) Any of a group of antibiotics derived from erythromycinazafenidin(organic chemistry) The triazolone herbicide 2-(2,4-dichloro-5-prop-2-ynyloxyphenyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one used against annual and perennial weeds.azafrinAn orange pigment with chemical formula C₂₇H₃₈O₄, found in azafranillo root (Escobedia scabrifolia).azalein(organic chemistry) A flavonol 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-methoxy-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-oneazaloxanAn antidepressant drug, developed in the 1980s but never marketed.azamulinAn antimicrobial solution.azan(Islam) Alternative spelling of adhan.azaprocinAn opioid analgesic drug, never marketed.azasetron(pharmacology) An antiemetic drug.azaspiran(organic chemistry) Any spiran having one or more carbon atoms (in one of the rings) replaced by nitrogen.azathioprinAlternative form of azathioprine.azetirelin(pharmacology) A drug that is a thyrotropin-releasing hormone analogue.azidation(organic chemistry) Any reaction that results in the formation of an azideazidoblebbistatin(organic chemistry) A derivative of blebbistatin which binds to and inhibits myosin on exposure to ultraviolet radiation.azidocillin(pharmacology) A type of penicillin.azidodediazoniation(organic chemistry) Any reaction that replaces an azo group by an azido groupazidooxygenation(organic chemistry) Any reaction that adds an azide group and an oxygen atom across a double bondazilsartan(pharmacology) A drug used to treat hypertension.azimexonA particular synthetic immunostimulant.azimuthon(physics) An exciton-polariton confined steady state with azimuthally modulated densityazin(organic chemistry) Synonym of pyridine.azinomycinAny of a class of antibiotic antitumour agents, isolated from a Streptomyces bacterium, that have an epoxide structure based on aziridineaziridination(organic chemistry) Any reaction that results in the formation of an aziridine.azithromycin(pharmacology) A semisynthetic macrolide antibiotic C₃₈H₇₂N₂O₁₂ (trademarks Zithromax, Z-PAK) that is derived from erythromycin and is used especially as an antibacterial agent.azithromyicinMisspelling of azithromycin.azitromycin(pharmacology) An azalide antibiotic derived from erythromycin.azlocillin(pharmacology) An acylampicillin antibiotic with an extended spectrum of activity and greater in vitro potency than the carboxy penicillins.azlonA regenerated protein fiber; textile fiber derived from a protein such as casein (milk) or zein (maize).azoalbumin(biochemistry) albumin conjugated with an azo dye; it is used as a general substrate for proteases; degradation of the albumin liberates free dye into the supernatant that can be quantitatively analyzed.azobilirubinA red-violet compound formed by the condensation of diazotized sulfanilic acid with bilirubin in the Van den Bergh reaction.azocasein(biochemistry) casein conjugated with an azo dye; it is used as a general substrate for proteolytic enzymes; degradation of the casein liberates free dye into the supernatant that can be quantitatively analyzed.azocollagencollagen that has been impregnated with an azo dye; it is used as a substrate for protease activity assayazocyclotin(organic chemistry) A white solid derived from tin, used as an acaricide.azofloxinAlternative form of azophloxin.azokeratinA blue dye obtained from keratin.azolectinAlternative form of asolectin.azolitmin(organic chemistry) A purplish-red material, of uncertain composition, that is the principal colouring matter of litmusazophloxinA synthetic red azo dye.azoprotein(biochemistry) Any protein, coupled with another material via a diazo linkage, that is used in immunochemical proceduresazotification(rare, inorganic chemistry) reaction with nitrogenazotochelin(organic chemistry) The siderophore amino acid (2S)-2,6-bis[(2,3-dihydroxybenzoyl)amino]hexanoic acid produced by the bacterium Azotobacter vinelandiiazotomycin(pharmacology) An antineoplastic drug.azoxystrobinA fungicide commonly used in agriculture.azoxysyrobinMisspelling of azoxystrobin.azranA position, often in polar coordinates, of an object located by radarazureanOf a fine blue color; azure.azuresinA complex of the azure dye 3-amino-7-dimethylamino-phenazathonium chloride coupled with carbacrylic cationic exchange resin.azurin(biochemistry) The enzyme, arsenate reductaseazurnObsolete form of azure.azurocidin(biochemistry) Any of a group of cationic antimicrobial proteins that bind heparin