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abampereUnit of electrical current in electromagnetic and Gaussian cgs systems of units, equal to 10 amperes in SI units.abatableCapable of being abated.abattage(veterinary medicine medicine) The slaughter of animals, especially diseased ones to limit the spread of the disease.abdicate(transitive, obsolete) To disclaim and expel from the family, as a father his child; to disown; to disinherit.abditive(rare) Having the quality of hidingabducteeAn abducted person, in particular a person abducted by aliens.abeltreeA Eurasian tree, Populus alba, that is widely cultivated in North America.abequose(biochemistry) The deoxy sugar 3,6-dideoxy-D-xylo-hexose.aberrate(intransitive) To go astray; to diverge; to deviate (from); deviate from.abessive(grammar) Of, or relating to the grammatical case used in some languages to indicate absence.abeyance(law) Expectancy; a condition when an ownership of real property is undetermined; lapse in succession of ownership of estate, or title.abhesivenot adhesive; slippery.abhurite(mineralogy) A soft mineral composed of tin, oxygen, hydrogen, and chlorine.abichite(mineralogy) Synonym of clinoclase.abidableAlternative spelling of abideable.abidanceThe act of abiding or continuing; abode; stay; continuance; dwelling.abietane(organic chemistry) A diterpene hydrocarbon that is the structural basis for many natural productsabietate(organic chemistry) Any salt or ester of abietic acid; resinate.abietene(organic chemistry) A volatile oil distilled from the resin or balsam of the nut pine (Pinus sabiniana).abietineAlternative spelling of abietin.abietite(organic chemistry) A substance resembling mannite, found in the needles of the common silver fir of Europe (Abies alba).abilitieObsolete spelling of ability.abjugate(obsolete, transitive) To unyoke; set free; uncouple.ablative(medicine) Relating to the removal of a body part, tumor, or organ.ablegate(transitive, obsolete) To send abroad.abligate(obsolete outside veterinary medicine) To tie up, especially a body part.ablutiveAblutionary, intended for or engaged in abluting.abnegate(transitive) To deny (oneself something); to renounce or give up (a right, a power, a claim, a privilege, a convenience).abnormie(slang) An abnormal person.abodance(obsolete) An omen or portent.abordage(archaic) The act of boarding a ship as part of an attack.aborsive(obsolete) abortive from the first.abortiveComing to nothing; failing in its effect. .abrasiveProducing abrasion; rough enough to wear away the outer surface.abrasure(dated) Abrasion, abrading.abraxaneA form of paclitaxel combined with an albuminabrocomeEither of the ratlike rodents that form the genus Abrocoma; rat chinchilla.abrogate(transitive) To put an end to; to do away with.abrotineA colorless crystalline alkaloid obtained from abrotanum, C₂₁H₂₂N₂O.absconceA dark lantern used in church to read prayers etc during a service.absenteeA person who is absent from his or her employment, school, post, duty, etc.absintheThe herb absinthium Artemisia absinthium (grande wormwood); essence of wormwood.absoleteObsolete form of obsolete.absoluteFree of restrictions, limitations, qualifications or conditions; unconditional.absterge(transitive, archaic, now rare) To make clean by wiping; to wipe away.absterse(transitive, now rare) To absterge; to cleanse; to purge away.abstrude(obsolete, transitive) To thrust away.abstruseDifficult to comprehend or understand; obscure.aburaageA Japanese food consisting of deep-fried slices of tofu.abusableCapable of being abused.acalepheAlternative form of acaleph.acarbose(pharmacology) An antidiabetic drug C₂₅H₄₃NO₁₈ (trademark Precose) that is taken orally as a tablet in the treatment of type 2 diabetes. It is an oligosaccharide produced by fermentation of a bacterium (Actinoplanes utahensis). The drug slows the absorption of glucose in the small intestine by inhibiting enzymes that break down complex carbohydrates.acardite(organic chemistry) n-methyl-n',n'-diphenylurea, used to stabilize chemicals and as a plasticizer.acaudate(biology, zoology) Tailless.acauline(botany) acaulescentaccepteeA person who accepts, or is accepted for, a positionaccoladeAn expression of approval; praise.accouple(transitive, obsolete, rare) To join; to couple.accoutre(Commonwealth) Alternative form of accouter.accrease(Early Modern, obsolete) An increase.accresce(Early Modern, obsolete, intransitive) To increase; to grow.accurateTelling the truth or giving a true result; exact; not defective or faulty.accuriseNon-Oxford British English standard spelling of accurize.accurizeTo improve the accuracy of (a gun).accusiveaccusative; accusingacephateAn organophosphate foliar insecticide, O,S-dimethyl acetylphosphoramidothioate, used primarily against aphidsacephobeA person who has a negative perception of asexuals and/or human asexuality.acerbate(transitive) To exasperate; to irritate.acervate(chiefly botany, rare) Heaped, or growing in heaps, or closely compacted clusters.acetableAn ancient Roman measure, equivalent to about one eighth of a pint.achelate(biology) Having no clawsachelikeResembling or characteristic of an ache.achesomeCharacterised or marked by aching; painfulachroite(mineralogy) A colourless form of tourmalineacidcore(music) A subgenre of both acid techno and hardcore which combines the two.acidfreeAlternative spelling of acid-free.acierage(historical) The process of electroplating a copper engraving with iron or steel.acierate(rare, transitive) To convert (iron) into steel, or to coat with a layer of steel by converting only the surface of the iron.aciliatethat lacks ciliaacknowneObsolete form of acknown.aclopineAny scarab beetle of the subfamily AclopinaeacquireeSomething that is to be acquired, especially a company that is the target of a takeoveracreable(archaic) Based on an acre; per acre.acredaleAlternative form of acre-dale.acridaneAlternative form of acridan.acridine(countable, organic chemistry) Any of many derivatives of this compoundacridone(organic chemistry) An tricyclic heterocyclic ketone derived from acridine; any derivative of this compoundacritudeacridity; pungency combined with heat.acronemeThe slender section of a flagellumacronineA particular antineoplastic alkaloid.acroporeAny of the genus Acropora of coralsacrosine(biochemistry) Synonym of acrosin.acrosomeA structure forming the end of the head of a spermatozoon.acrylate(organic chemistry) Any salt or ester of acrylic acid.actinase(biochemistry) A protease that hydrolyses actinsactinate(inorganic chemistry) Any oxyanion of actinium, or salt containing such an oxyanionactiniaeplural of actiniaactinideAny of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).actinome(biochemistry) All the actins of an organismactinoteAny butterflies of the genus Actinote of the subfamily Heliconiinae, endemic to South America.actionee(management) The recipient of an action item; the person assigned responsibility for a specific task or issue.activase(genetics, biochemistry) Any enzyme that activates a geneactivate(transitive) To encourage development or induce increased activity; to stimulate.activize(transitive) To convert to activism.actorine(archaic, rare) An actress.aculeateHaving a sting; sharp like a prickle.acutance(uncountable) Edge contrast or sharpness in an image; also, a measure of this.adamanceThe quality of being adamantadamsiteAn organic compound, diphenylaminechlorarsine, used as a riot-control agent.adaptate(nonstandard and non-native speakers' English) To adapt.adaptiveOf, pertaining to, characterized by or showing adaptation; making or made fit or suitable.additive(mathematics) Pertaining to addition; that can be, or has been, added.adequateEqual to or fulfilling some requirement.adessive(grammar) Of or relating to the grammatical case that in some languages indicates adjacent location.adfreeze(intransitive) To freeze together; to adhere through the formation of ice.adhesineMisspelling of adhesin.adhesiveSticky; tenacious, as glutinous substances.adhesome(biology) All the adhesion receptors of an organismadjugate(mathematics) The transpose of the respective cofactor matrix, for a given matrix. One of the factors in calculating the inverse of a matrix. Commonly notated as adj(A), where A is the given matrix.adjutageAlternative form of ajutage.adjuvateTo help; to further.adlumine(organic chemistry) An alkaloid found in plants of genus Adlumia.admirate(non-native speakers' English) To admire.admirize(rare, archaic) To admire, wonder.admitteeOne who is admitted.adolesce(intransitive) to become adolescent; to pass through adolescence.adoptiveRelated through adoption.adorableBefitting of being adored; cute or loveable.adraxone(biochemistry, rare) Adrenochrome.adrenate(organic chemistry) Any salt or ester of adrenic acidadrogate(transitive, Ancient Rome, law, historical) To adopt (a free citizen).adstrate(linguistics) adstratumadultize(transitive, sociology, psychology) To raise (a child) in such a way that it adopts adult behaviors earlier than is usual.aduncate(rare) curved inwards; hookedadvaunceObsolete form of advance.advisiveAdvisory in tone and content.advocateSomeone whose job is to speak for someone's case in a court of law; a counsel.advolute(malacology) Having or being a (mollusc) spiral shell in which the whorls touch along a line (but do not overlap).adzelikeResembling or characteristic of an adze.aediculeA small house or room.aegirine(mineralogy) A mineral with monoclinic crystals with the chemical formula NaFe³⁺(Si₂O₆) belonging to the pyroxene group.aegirite(mineralogy, rare) aegirineaeglogueObsolete form of eclogue.aegypineRelating to or characteristic of vulturesaegyrine(mineralogy) Alternative form of aegirine.aerinite(mineralogy) A blue mineral with monoclinic crystals, Ca₄(Al,Fe³⁺,Mg, Fe²⁺)₁₀Si₁₂O₃₅(OH)₁₂CO₃·12H₂O, made of clay and sometimes used as pigment.aerobate(aviation) To perform aerobatics.aerocele(anatomy) An air-filled cavityaerodone(dated) Synonym of glider (“type of aircraft”).aerodyne(aviation) A heavier-than-air aircraft, deriving its lift from motion.aeroliteA meteorite consisting of silicate minerals.aerolizeAlternative form of aerosolise.aerometeAlternative form of aerometer.aeropyleA system of air passages in the chorion of some insects that enables oxygen exchange with the environmentaerotope(biology) A gas-filled vesicle in the cells of some cyanobacteriaaerovaneAn anemometer that combines a propeller and a tail on the same axis to measure wind speed and direction.aerugite(mineralogy) A rare complex nickel arsenate mineral that forms green to deep blue-green trigonal crystals.aesthete(often derogatory) Someone who cultivates an unusually high sensitivity to beauty, as in art or nature, often in a manner perceived to prioritize beauty over other qualities such as virtue and utility.aestuateObsolete spelling of estuate.afebrileHaving no fever, without a fever.affecteeOne who, or that which, is affected.affeeble(obsolete) To enfeeble.affiance(transitive) To be betrothed to; to promise to marry.affinageThe aging of cheese as part of its manufacture.affinize(mathematics) convert to affine formaffixive(linguistics) Forming words through the addition of an affixaffronteObsolete form of affront.afoliate(botany) Having no leaves; leafless.afoveateLacking the retinal fovea.afroditeAlternative form of aphrodite; stevensite.afrosideA particular steroid glycoside.afterageAn age occurring afterwards; a later era.agabanee(historical) A cotton fabric embroidered with silk, made in Aleppo.agacerieCoquetry; flirtatiousness.aganaineAny moth of the subfamily Aganainaeagapetaeplural of agapetagaphiteA blue conchoidal variety of turquoise.agardite(mineralogy) Any of a group of copper arsenate minerals that contain varying proportions of several rare earth elements such as cerium, neodymium, lanthanum and yttrium.agenbite(often purposely archaic) Remorse, ayenbite.agenteseThe jargon used by agents or an agency.agentive(grammar) Indicating an agent or agency (as -er in lexicographer).ageotypeThe type of an organism characteristic of a certain ageaggerate(transitive) To heap up.aggeroseIn heaps; full of heaps.aggrieve(transitive) To cause someone to feel pain or sorrow to; to afflictagiotage(dated, trading) Stock exchange business; especially, stockjobbing, manipulation of securities prices.agitableEasily agitated or movedagluconeThe aglycone of a glucosideaglycone(organic chemistry) The non-sugar fragment of a glycoside.agmatine(biochemistry) The amine (4-aminobutyl)guanidine which is a decarboxylation product of arginine and an intermediate in polyamine biosynthesisagmatite(geology) A form of migmatite containing xenoliths, typically of brecciaagminate(archaic, biology) Grouped together.agnogene(genetics) A gene that expresses an agnoprotein.agnuside(organic chemistry) An organic compound found in Vitex agnus-castus; the ester of aucubin and p-hydroxybenzoic acid.agreableObsolete spelling of agreeable.agretope(immunology) The part of a biomolecule that binds to the major histocompatibility complex moleculeagronomeAn agronomist.agropine(organic chemistry) An unusual amino acid (opine) found in some crown gall tumoursagrotypeA type of soil used for agricultureaguacate(archaic) avocadoaguelikeResembling or characteristic of an ague.aheylite(mineralogy) A pale blue or green triclinic mineral.aigretteA feather or plume, or feather-shaped item, used as an adornment or ornament, typically in hats or hair.aiguilleA needle-shaped peak.aikinite(mineralogy) A sulfide mineral of lead, copper and bismuth.ailurineAny member of the subfamily Ailurinae.airborneIn or carried by the air.airbrakeA brake (slowing device) that is operated pneumatically (by air pressure).aircraneA heavy-lift helicopterairdromeA location where aircraft are operated, usually having a runway and maintenance facilities.airedaleAlternative form of Airedale (all senses)airflareIn breakdancing, an acrobatic maneuver in which the performer, standing on his or her hands, rotates the torso around the vertical axis of the body (extending from the head down vertically) while travelling in a circular path along a plane parallel to the floor.airforceAlternative spelling of air force.airframeThe main body and structure of an aircraft (without the powerplant).airhouseAn inflatable mobile shelter.airphoneAn air-to-ground telephone service for passengers on airline flights.airplaneAny of various small flyable objects that are notionally comparable to such aircraft but aren't powered.airscapeThe view of the sky, or an artistic work that visually represents it.airspace(aviation) that part of the sky designated for the sole use of aircraft.airstoneA piece of aquarium furniture, traditionally limewood or porous stone, whose purpose is to diffuse oxygen gradually into the tank, eliminating the noise and large bubbles of conventional air filtration systems.ajmalineAn antiarrhythmic drug originally isolated from the roots of Rauvolfia serpentina.akazgine(organic chemistry) A poisonous alkaloid, analogous to strychnine, obtained from the akazga plant.aklavineSynonym of aclacinomycin.aklomideAn antiprotozoal drug.alamandeAlternative form of allemande.alarmone(biochemistry) An intracellular signal molecule produced due to harsh environmental factors, and serving to regulate the gene expression at transcription level.alarsite(mineralogy) A trigonal mineral with the chemical formula Al[AsO₄].alaskite(geology) A form of granite composed chiefly of quartz and feldspars.alaudineOf or pertaining to skylarks.albacoreA longfin tuna, a large marine fish (Thunnus alalunga) of warm seas, having edible flesh.albanite(mineralogy) A melanocratic leucitite.albecoreArchaic spelling of albacore.albicoreAlternative form of albacore.albitiseAlternative form of albitize.albitite(geology) Any rock composed mostly of albitealbitize(mineralogy) To convert into albitealbocoreArchaic spelling of albacore.alboliteAlternative form of albolith.albumoneSynonym of albuminone.albumoseAny of a class of polypeptides formed by digestion of protein; proteosealcalase(biochemistry) A protease obtained from Bacillus licheniformisalcatote(British, dialectal, obsolete) A foolish oaf.alcedineOf or relating to a kingfisher or kingfishers.alchymieObsolete form of alchemy.alcidineResembling or characteristic of an auk.aldarate(organic chemistry) Any salt of an aldaric acidaldazine(organic chemistry) An azine derived from an aldehyde; general formula RCH=NN=CHRaldehyde(organic chemistry) Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.aldimine(organic chemistry) An imine derived from an aldehyde; general formula RCH=NRaldolase(biochemistry) An enzyme, present in some tissue, that catalyses the conversion of phosphates of fructose to those of glyceraldehyde and dihydroxyacetonealdolate(organic chemistry) Any anion derived from an aldolaldolize(ambitransitive, organic chemistry) To (cause to) undergo aldolization; to convert into an aldol.aldonate(organic chemistry) Any salt or ester of an aldonic acidaldoside(organic chemistry) Any glucoside of an aldose.aldoxime(organic chemistry) Any oxime derived from an aldehyde; general formula RCH=NOHalehouseA business, such as an inn or tavern, where ale is sold.aleksite(mineralogy) A trigonal-hexagonal scalenohedral steel gray mineral containing bismuth, lead, sulfur, and tellurium.alestake(historical) A stake or pole serving as a sign at an alehouse or inn, often with a garland or "bush" attached.aleurone(biochemistry) The protein content of the embryo, endosperm, or perisperm of cereals, in the form of minute particles.aleviateMisspelling of alleviate.alfenide(obsolete) An alloy of nickel and silver electroplated with silver. It was produced in Germany in the 19th century.algenate(dentistry) plaster, made of sodium alginate, used to take impressionsalgerineA type of loosely woven cloth in stripes of bright colors, used for scarves, shawls and similar.algeriteAn altered form of scapolite, originally believed to be a unique mineral.algicideA substance that kills, or inhibits the growth of, algae.alginase(biochemistry) Any enzyme that hydrolyzes an alginalginate(biochemistry) Any salt or ester of alginic acid.alginite(petrology) A component of some types of kerogen, consisting of organic-walled marine microfossils.algivoreAn organism that consumes algae.alhidadeArchaic form of alidade.alicocheAny of the genus Echinocereus of cacti.alicycle(organic chemistry) Any alicyclic compoundalienageThe status of being an alien; origin from elsewhere.alienateTo convey or transfer to another, as title, property, or right; to part voluntarily with ownership of.alieniseBritish standard spelling of alienize.alienize(transitive) To render (something or someone) alienalkalide(chemistry) A chemical compound in which alkali metals are anions (i.e. they bear a negative charge).alkalineOf, or relating to an alkali, one of a class of caustic bases.alkaliseAlternative form of alkalize.alkalize(transitive) To cause to become alkaline, more basic and less acidic.alkamide(organic chemistry) Any alkyl amide, especially a bioactive onealkamineA type of amino alcohol.alkanone(organic chemistry) Any saturated aliphatic ketonealkenone(organic chemistry) Any unsaturated aliphatic ketonealkoxide(organic chemistry) Any organic compound derived from an alcohol by replacement of a hydrogen atom with a metal or other cationic speciesalkylate(organic chemistry) To add one or more alkyl groups to a compound, especially by reacting with an alkylating agentalkylene(obsolete, organic chemistry) An alkene.allanite(mineralogy) Any of a group of silicate minerals that are a source of rare earth metals.allative(grammar) Of or relating to the grammatical case that in some languages indicates motion towards a place.alleadgeObsolete form of allege.allegate(transitive, rare, nonstandard) To delegate.alliableAble to be alliedalliance(uncountable) The state of being allied.alligateTo solve an arithmetic problem concerning proportions by means of alligation; to associate as having the same ratio.allinaseMisspelling of alliinase.allisideA particular steroid glycoside.allocareCare given to an infant by an animal that is not the infant's parent.allocateTo set aside for a purpose.allocute(chiefly US, law) To make an allocution.allomone(biology) Any substance emitted by a member of one species that affects the behaviour of another to the advantage of the emitter but not the receiverallosideA particular steroid glycoside.allosome(genetics) A sex chromosome that differs from an ordinary autosome in form, size, or behaviour.allotone(phonetics) Any of the pitch allophones of a pitch phoneme.allotopeA region of an antibody with a non-varying structure.allotteeThe person to whom something is allotted.allotype(zoology, taxonomy) A designated paratype of a species (or lower-order taxon) that is the opposite sex of the holotype.alloyageThe act or art of alloying metals.allozyme(genetics, biochemistry) Either form of an enzyme specified by an allelic gene.allspice(countable) Pimenta dioica, an evergreen tree of tropical America with aromatic berries.allulose(biochemistry) psicoseallusivethat contains or makes use of allusions (indirect references or hints)allwhere(archaic) everywhereallylate(organic chemistry) Any salt or ester of an allylic carboxylic acid (one containing an allyl radical)allylene(organic chemistry) propyneallysine(biochemistry) The amino acid 2-amino-6-oxo-hexanoic acid derived from lysinealmagateAn antacid containing aluminium and magnesium.almamateThe territory ruled by an almami.aloelikeResembling or characteristic of aloe.alouatte(now rare) A South American howler monkey (of the genus Alouatta).alphette(informal, rare) An alpha female; a confident, self-assured woman.alqueire(historical) A traditional Portuguese unit of dry measure, equal to 13.1–19.3 liters in different 19th-century contexts.alreadieObsolete spelling of already.altarageThe offerings made upon the altar or to a church.altheine(organic chemistry, archaic) asparaginealticine(taxonomy) Relating to the Alticini tribe of flea beetlesaltisite(mineralogy) A monoclinic-prismatic white mineral containing aluminum, chlorine, oxygen, potassium, silicon, sodium, and titanium.altitudeThe absolute height of a location, usually measured from sea level.altizideA diuretic drug.altosideA particular steroid glycoside.altosome(genetics) An asymmetric structure of nucleosomes produced by modifying a polynucleosomal array.altruizeTo make altruistic.alurgite(mineralogy) A manganese mica that occurs in purplish colours.alvanite(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, nickel, oxygen, vanadium, and zinc.alveolaeMisspelling of alveoli.alverine(pharmacology) A drug used to treat functional gastrointestinal disorders.alvikite(mineralogy) A fine-grained form of sovitealyaunteObsolete spelling of alien.amacrine(biology) Without long processes.amandineA cosmetic cream prepared from almonds.amarelleAlternative letter-case form of Amarelle.amateuseA female amateur.amatriceAlternative form of amatrix.amaziqueAn African tree of the genus GuibourtiaambazoneA particular oral antiseptic.amberiteA kind of smokeless powder.ambianceA particular mood or atmosphere of an environment or surrounding influence.ambienceAlternative spelling of ambiance.ambivore(chiefly biology) An animal that feeds on two varieties of food.amblyopeA person afflicted with amblyopia.ambonite(mineralogy) A mineral consisting of cordierite-bearing hornblende-biotite-andesite.ambosideA particular steroid glycoside.ambreate(obsolete, chemistry) A salt of ambreic acid.ambretteThe musk mallow plant (Abelmoschus moschatus).ambulate(intransitive, formal) To walk; to relocate oneself under the power of one's own legs.ambusheeOne who is ambushed.ameerate(rare) An emirate.amenableWilling to respond to persuasion or suggestions.amenance(obsolete) Conduct, demeanor.ametrineA naturally occurring variety of quartz, with zones of purple and yellow or orange.amicableShowing friendliness or goodwill.amitrole(organic chemistry) The heterocyclic amine 3-amino-1,2,4-triazole that is used as a nonselective systemic triazole herbicide on nonfood croplandsammelide(organic chemistry) 6-amino-2,4-dihydroxy-1,3,5-triazine, the hydrolysis product of ammeline.ammeline(organic chemistry) 4,6-diamino-2-hydroxy-1,3,5-triazine, the hydrolysis product of melamine.ammoceteAlternative form of ammocoete.ammodyte(obsolete) One of the genus Ammodytes of fishes; the sand eel.ammoliteA rare and valuable opal-like gemstone, made of the fossilized shells of ammonites.ammonite(paleontology) Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.ammonizeSynonym of ammoniate.amorette(obsolete) Alternative spelling of amoret.amortise(British spelling) Alternative form of amortize.amortize(real estate, property law, transitive) To alienate (property) in mortmain.ampakineAny of a class of chemical compounds that enhance attention span and alertness and facilitate learning and memory.ampelite(mineralogy) A carbonaceous alum schist.amperage(physics) The electric current; charge transmitted per unit time, measured in amperes.amphoraeplural of amphoraampliate(zoology) Having the outer edge prominent; said of the wings of insects.ampullaeplural of ampullaamputateTo surgically remove a part of the body, especially a limb. [from 17th c.]ampyroneA metabolite of aminopyrine with analgesic, anti-inflammatory, and antipyretic properties.ampyzineA sugar nitrile.amrinone(pharmacology) A type 3 pyridine phosphodiesterase inhibitor used to treat congestive heart failure.amuletteObsolete form of amulet.amusableCapable of being amused.amusetteA light field cannon, or stocked gun mounted on a swivel.amygdale(geology) An almond-shaped inclusion in igneous rock or lava.amygdule(geology) A rounded mass of secondary mineral found in volcanic rock.anacline(biology, of brachiopods) The part of a shell in which the interarea is at an angle of less than 90° to the plane of commissureanadromeA word which forms a different word when spelled backwards.anaerobeAn anaerobic organism; one that does not require oxygen to sustain its metabolic processes.analcime(mineralogy) A sodium aluminosilicate with a chemical formula NaAlSi₂O₆·H₂O, having a zeolite structure, found in alkaline basalts.analcite(mineralogy) Analcime.analgeneAn antipyretic and analgesic, derived from quinoline and mainly used to treat rheumatism and neuralgia.analgese(medicine) To apply or administer analgesia to.analogue(Commonwealth) Alternative spelling of analog.anancine(zoology) Any of the extinct genus Anancus of elephantoid proboscideans native to Afro-Eurasia.anandite(mineralogy) A usually monoclinic mineral of the mica group.anapaite(mineralogy) A triclinic-pinacoidal mineral containing calcium, hydrogen, iron, oxygen, and phosphorus.anaphase(cytology) The stage of mitosis and meiosis during which the chromosomes separate, the chromatid moving to opposite poles of the cell.anaphone(music) A particular sign as represented in music; a sound or melody that represents something, such as motion or romance.anastate(biology) One of a series of substances formed, in secreting cells, by constructive or anabolic processes, in the production of protoplasm.anastole(obsolete, pathology) retraction of the edges of a woundanatreme(palynology, of a pollen grain) Having a single aperture on the distal faceancienceSynonym of ancientness.ancylite(mineralogy) A basic carbonate mineral of strontium and rare earth elements.andative(grammar) Indicating motion away from something.andesine(mineralogy) Sodium calcium aluminum silicate, (Na_xCa_xAlSi_3O_8), a plagioclase feldspar, the third member of the albite-anorthite solid solution series. Found in fine-grained andesite lavas; crystals are rarely seen.andesite(geology) Any of a class of fine-grained intermediate igneous rock, of volcanic origin, containing mostly plagioclase feldspar.andesyteAlternative spelling of andesite.andorite(mineralogy) A white mineral containing antimony, lead, silver, and sulfur.anduoite(mineralogy) An orthorhombic-dipyramidal lead gray mineral containing arsenic, osmium, and ruthenium.anecdoteA short account of a real incident or person, often humorous or interesting.anergize(immunology) To have (or to cause to have) no response to an antigen or antibodyanetheneA hydrocarbon with the chemical formula C₁₀H₁₆, found in oil of dill.anethole(organic chemistry) A particular aromatic compound found in anise.angelageThe existence or state of angels.angelate(organic chemistry) A salt or ester of angelic acid.angeliseNon-Oxford British English standard spelling of angelize.angelize(transitive) To raise to the state of an angel; to render angelic.anginose(dated) Relating to angina; anginous.anglaise(historical) A kind of English country dance.angulateShaped with corners or angles.anguloseAlternative form of angulous.anhaline(organic chemistry) An alkaloid, 4-[2-(dimethylamino)ethyl]phenol, found in peyotes of the genus AnhaloniumanheloseAlternative form of anhelous.animableCapable of being put into life or receiving animation.anioniteAn anionic ion exchange resinanionize(transitive) To treat with anions.anisetteA French alcoholic liqueur flavored with aniseankerite(mineralogy) Any of a group of mixed carbonate minerals, principally of calcium with iron, magnesium and manganese.ankylose(transitive, pathology) To cause bony structures to fuse or stiffen as a result of ankylosis.annaliseNon-Oxford British English standard spelling of annalize.annalize(transitive) To record in annals.annexiveRelating to annexation.annexure(UK) The process of annexingannotate(transitive) To add annotation to.announce(transitive) To give public notice of, especially for the first time; to make known.annulateHaving an annular form or shape.annulene(organic chemistry) Any monocyclic hydrocarbon, of general formula CₙHₙ (where n is even), or CₙHₙ₊₁ (where n is odd).annuloseFurnished with, or composed of, rings or ring-like segments; ringed.anointeeThe person or thing that is anointedanonette(Internet slang, 4chan slang) Synonym of femanon (“a female user of 4chan”).anophyte(botany) A moss or similar plant with cellular stems, having usually an upward growth and distinct leaves.anoscopeThe instrument used in anoscopy.ansafone(British, New Zealand, colloquial) Alternative form of answerphone.anserineSilly, foolish, stupid.answeareObsolete spelling of answer.answerdeObsolete spelling of answered; past of answer.antabuseAlternative letter-case form of Antabuse.antecedeTo go before; to precede.antedateTo occur before an event or time; to exist further back in time.antelopeAny of several African mammals of the family Bovidae distinguished by hollow horns, which, unlike deer, they do not shed.antennaeplural of antennaantetypeAn archetype or prototype; an example or precursor that guides future developments or versions.anthrome(ecology) An anthropogenic biome.anthrone(organic chemistry) A tricyclic aromatic ketone, used in a popular cellulose assay and in the colorimetric determination of carbohydrates; any derivative of this compoundanthrose(organic chemistry) The sugar amide N-[(2R,3S,4S,5R)-4,6-dihydroxy-5-methoxy-2-methyloxan-3-yl]-3-hydroxy-3-methylbutanamideantiacneServing to counteract acne.antibikeOpposing the use of bicycles.antiblue(not comparable, particle physics) Describing one of the three possible colours of an antiquark, corresponding to blue in a quark.anticideA substance that kills ants.anticize(rare, intransitive) To perform antics.anticoreAlternative form of anticor.anticureAlternative spelling of anti-cure.antidoteA remedy to counteract the effects of poison.antidune(geomorphology) A bedform found in fluvial environments, opposing the direction of flow.antiface(computing) In facial recognition systems, a face having opposite properties to a given face.antifadeThat counteracts fading.antifakeOpposing or countering fakes; against fraud.antifameOpposing fame.antifireOpposing or countering fire.antigameA game which cannot be played in the conventional sense.antigene(genetics) An oligonucleotide that attaches to a specific gene and suppresses its action.antihateOpposing or countering hate.antihole(graph theory) Clipping of graph antihole.antijokeA sentence or story that subverts the expectation of a joke, often by being deliberately unfunny or surreal.antilife(US, politics, derogatory) pro-choiceantiloveOpposing love.antimaleAverse to, or acting against, males.antimeme(memetics, science fiction) A meme deployed to nullify or protect against another meme.antimere(biology) One of the two halves of bilaterally symmetrical animals; one of any opposite symmetrical or homotypic parts in animals and plants.antimine(military) Countering or opposing mines (explosive devices).antimode(mathematics) A local minimum on a graphantinode(physics) A region of maximum amplitude situated between adjacent nodes of a vibrating body, such as a string.antinome(archaic, rare) Synonym of antinomy.antinukeOpposed to nuclear weapons.antipodeSomething directly opposite or diametrically opposed.antipole(geography) The opposite pole.antipope(Christianity) A person who claims or claimed to be the pope, usually as the result of a disputed election or deposition, but is not considered by the Roman Catholic Church to be the real pope.antirapeOpposed to rapeantiraveOpposing raves (dance parties).antirise(physiology) Preventing or counteracting a rise in body temperature.antisineSynonym of arcsine.antisite(chemistry) A site within a chemical compound that is occupied by an atom of a different element than would usually be found there.antitime(physics) A hypothetical construct that resembles time but somehow opposes or counteracts it.antitoneSynonym of antimonotone.antitypeSomething that is symbolized or represented by a type, such as Christ by the Paschal Lamb; the fulfillment of a type.antiviceOpposing or countering vice (sinful behaviour).antizyme(biochemistry) Any enzyme that inhibits the action of anotherantofine(medicine) A phenanthroindolizidine alkaloid that has some anticancer activityantozone(inorganic chemistry, archaic) hydrogen peroxideantrorse(biology) Curved or pointed forward or upward.anuslikeResembling the anus.anxietie(archaic) Alternative form of anxiety.anyoliteA metamorphic rock composed of intergrown green zoisite, black tschermakite, and ruby.anyplace(informal, chiefly US) At a non-specific place; anywhere.anyuiite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing antimony, gold, and lead.anywhereIn or at any location.apachite(mineralogy) A monoclinic blue mineral containing copper, hydrogen, oxygen, and silicon.apatheteAn apathetic person; one given to apathy.apathize(ambitransitive) To make or become apathetic or insensible.apertive(medicine) Causing the body to open; dissolving blockages or having a purgative or diuretic effect.apertureA small or narrow opening, gap, slit, or hole.aphanite(geology, petrology) Certain dark igneous rocks having grain so fine that the individual crystals cannot be seen with the naked eye.aphetize(transitive, linguistics) To shorten by aphesis.aphicide(agriculture) Any pesticide intended to kill aphidsaphidineAny of the subfamily Aphidinae of aphids.aphorise(transitive) To create an aphorism from.aphorizeAlternative spelling of aphorise.apiosideAny glycoside of apiinapiphobeAn apiphobic person.aplowite(mineralogy) A monoclinic-prismatic pink mineral containing cobalt, hydrogen, manganese, nickel, oxygen, and sulfur.aplustre(historical, nautical) An ornamental appendage of wood at the stern of a Roman ship, usually spreading like a fan and curved like a bird's feather.apocrine(anatomy, biology, histology) Of or pertaining to an apocrine gland or to its mode of secretion, which involves the budding of portions of the secreting cells.apokroneApoapsis around the planet Saturn.apologeeOne that receives an apologyapologieArchaic spelling of apology.apologueA short story with a moral, often involving talking animals or objects; a fable.apophyge(architecture) A curvature found on the top or bottom of certain columns.apophyte(ecology, botany) Any native plant growing in disturbed land, such as in an abandoned fieldapoptose(biology, cytology, ambitransitive) To cause the cell to undergo apoptosis, a process of programmed cell death.aporcineMisspelling of apocrine.apostateGuilty of apostasy.aposteme(medicine, obsolete) An abscess; a pustulent swelling.apostomeAny ciliate of the order ApostomatidaapostumeObsolete form of aposteme.apothekeA Greek storeroom or warehouse.appanageAlternative form of apanage.apparate(fantasy, intransitive) To appear magically; to teleport to or from a place.appeasee(very rare) One who is appeased.appellee(US, law) A respondent.appenageAlternative form of apanage.appetise(rare) To whet the appetite.appetiteA desire to eat food or consume drinks.appetize(rare) To whet the appetite.appisodeAn episode of a show in the form of an interactive software application.applauseThe act of applauding; approbation and praise publicly expressed by the clapping of hands, stamping or tapping of the feet, acclamation, huzzas, or other means; marked commendation.applauzeObsolete spelling of applause.appleadeA sweetened apple drink.applique(art) A decorative design made by cutting pieces of material and applying them to the surface of another for decoration.appositeStrikingly appropriate or relevant; well suited to the circumstance or in relation to something.appraise(transitive) To determine the value or worth of (something), particularly as a person appointed for this purpose.appropre(obsolete, transitive) To appropriate.approvee(rare) One who is requesting approval from an approver; one who receives approval.appstoreAlternative form of app store.apricate(intransitive, rare) To bask in the sun.apritone(organic chemistry) The derivative of cyclopentanone 2-[(2~{E})-3,7-dimethylocta-2,6-dienyl]cyclopentan-1-one that is used as a synthetic apricot flavourapsidole(architecture) A minor apse at the end of a side aisle in a church.aptatopeThe binding-site of an aptameraptazymeAn aptamer fused with a ribozymeapterateA wingless (apterous) form of an aphidaptitudeA natural ability to acquire knowledge or skill.apuanite(mineralogy) A tetragonal-ditetragonal dipyramidal black mineral containing antimony, iron, oxygen, and sulfur.apurpose(dialect) on purpose; deliberatelyaquabikeSynonym of jet ski.aquacadeAn entertainment consisting of swimmers and divers performing to musicaquacise(informal) To practice such exercise.aqualite(mineralogy) A pink trigonal mineral containing calcium, chlorine, hydrogen, potassium, sodium, oxygen, silicon, strontium and zirconium.aquatile(obsolete) Inhabiting the water.aquatoneAn offset printing method using a gelatin-coated zinc plate to print type, line illustrations, and fine-screen halftones.aquiesceMisspelling of acquiesce.aquifuge(geology) An aquiclude.aquilineOf, pertaining to, or characteristic of eagles; resembling that of an eagle.aracouneObsolete spelling of raccoon.arakiite(mineralogy) A monoclinic-domatic mineral containing aluminum, arsenic, hydrogen, iron, magnesium, manganese, oxygen, and zinc.araneoseResembling a spider's web; arachnoid.arborise(intransitive) To develop a tree-like appearance.arboriteA heat-resistant laminate material used to veneer countertops.arborizeAlternative spelling of arborise.arbuscle(botany) A plant midway in height between a shrub and a tree; a dwarf tree.arcanite(mineralogy) Potassium sulfate.arcature(architecture) A small arched passageway.archaiseNon-Oxford British English standard spelling of archaize.archaize(transitive) To give an archaic quality or character to; make archaic, to suggest the past.archduke(historical) The son or male-line grandson of an emperor of the Austro-Hungarian Empire.archlikeHaving the form of an archarchluteA fretted and double-necked stringed musical instrument with a large body, double courses in the bass, and two sets of tuning pegs.archmage(fantasy) A very powerful mage.archwifeA big, masculine wife; a dominating woman; virago.archwire(dentistry) An orthodontic wire conforming to the alveolar or dental arch.archwiseIn the shape of an arch.arctiineAny erebid moth of the subfamily Arctiinae.areawideExtending over the entire areaareawiseIn terms of area.arecaineSynonym of arecaidine.areolateHaving areolasargemone(botany) Any of the genus Argemone of flowering plants, the prickly poppies.argenineMisspelling of arginine.arginase(biochemistry) An enzyme that catalyses the hydrolysis of arginine to form urea and ornithineargineneMisspelling of arginine.arginineAn amino acid found in animal foods that plays an important role in several physiological processes.argonideA binary compound of argonargoniteA mixture of argon and nitrogen used in firefightingargosomeAn exovesicle in the cell membranes of fruitfliesarguableThat can be argued; that can be proven or strongly supported with sound logical deduction, precedent, and evidence.argutite(mineralogy) A germanium dioxide mineral.arialikeResembling or characteristic of an aria.arietine(zoology, rare) Of, like, or pertaining to rams.arildone(pharmacology) An antiviral drug.arillate(botany) Having arils.arillode(botany) A structure resembling an aril that comes from the ovule as opposed to the stalk.aristate(botany) Having a long bristle at its apex.armatole(historical) A Greek armed mercenary who enforced Ottoman rule in Greece from the 15th century onward; during the Greek War of Independence (1821–1832), many armatoloi became pro-independence guerrilla fighters opposed to Ottoman rule.armatureA detachment of soldiers; soldiers collectively.armbraceAny of several forms of harness that support an injured arm.armenite(mineralogy) An orthorhombic-pyramidal mineral containing aluminum, barium, calcium, hydrogen, oxygen, and silicon.armozineAlternative form of armozeen.armpieceA piece of armour that protects the arm.armplatePlate armour worn on one's arms.armylikeResembling or characteristic of an army.arnicine(organic chemistry) An alkaloid obtained from the arnica plant.arnimite(mineralogy) Synonym of antlerite.arrasene(archaic) A fabric made of wool or silk used for working the figures in embroidery.arrastreAlternative form of arrastra.arresteea person who is under arrest.arrogate(transitive, uncommon) To appropriate or lay claim to something for oneself without right.arrosivegnawing; chewing; corrodingarsazine(organic chemistry) The six-membered aromatic heterocycle containing four carbon atoms, one nitrogen atom and one arsenic atomarsedine(obsolete) An imitation gold used in gilding.arseface(UK, Ireland, Commonwealth, vulgar, slang, derogatory or offensive) A contemptible person.arsehole(Commonwealth, mildly vulgar) The anus.arsenate(organic chemistry) Any salt or ester of arsenic acid.arsenene(inorganic chemistry) An allotrope of arsenic that has a two-dimensional structure similar to graphenearsenideAn ion that is an arsenic atom with three extra electrons and charge −3.arsenine(organic chemistry) The aromatic heterocycle C₅H₅As having the structure of pyridine but with an arsenic atom replacing the nitrogenarsenite(inorganic chemistry) Any oxyanion of trivalent arsenic, especially the AsO₃³⁻ anion (or protonated derivatives); any salt containing this anion, or any ester of arsenious acidarsepane(organic chemistry) A saturated seven-membered heterocycle having six carbon atoms and one arsenic atom.arsepine(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one arsenic atom and three double bonds.arsetane(organic chemistry) A saturated heterocycle containing three carbon atoms and one arsenic atom.arsewipe(uncountable) Toilet paper.arsinane(organic chemistry) A saturated heterocycle that has five carbon atoms and an arsenic atomarsinate(inorganic chemistry) The anion H₂AsO₂⁻, or one of its derivatives formed by substituting the hydrogen with an organic chemical group, or a salt thereof. It has arsenic formally in a +1 oxidation state.arsinide(inorganic chemistry) A chemical compound derived by substituting a metal for a hydrogen atom of arsine.arsinine(organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and an arsenic atom; especially the simplest one, C₅H₅As.arsirane(organic chemistry) A three-membered heterocycle containing two methylene groups and an arsenic atom; the arsenic equivalent of ethylene oxidearsirene(organic chemistry) The unsaturated three-membered heterocycle containing two carbon atoms, one arsenic atom and a double bond.arsocane(organic chemistry) A saturated eight-membered heterocycle having seven carbon atoms and one arsenic atomarsolane(organic chemistry) A saturated heterocycle that has four carbon atoms and an arsenic atomarsoline(organic chemistry) Any of three isomeric monounsaturated heterocycles having a five-membered ring and one arsenic atom C₄H₇Asarsonate(inorganic chemistry) The oxyanion HAsO₃²⁻, derivatives, or any salt containing this ionarsonite(dated) An arsonist.arsorane(inorganic chemistry) the arsenic hydride AsH₅, λ⁵-arsanearthouseAlternative spelling of art house.artificeA crafty but underhanded deception.artinite(mineralogy) A hydrated magnesium carbonate mineral that forms white silky monoclinic prismatic crystals.artotype(phorography, historical or archaic) A kind of autotype.artpieceA piece of art; artwork.artspaceAn art gallery that offers art-related activities and events.artstyleA style of artwork, especially one in a video game.aruspiceAlternative form of haruspex.arvicole(zoology, dated) field mouse (US, Canada), volearzakite(mineralogy) A monoclinic mineral containing bromine, chlorine, mercury, and sulfur.asbolane(mineralogy) A hexagonal mineral containing calcium, cobalt, hydrogen, manganese, nickel, and oxygen.asboliteA cobaltiferous wad.ascariteA form of silica that has a coating that absorbs carbon dioxideasellote(zoology) Any isopod crustacean of the suborder Asellota.aseptateHaving no septum.asfotaseA drug used to treat hypophosphatasia.ashrafeeAlternative form of ashrafi.askefise(obsolete) One who blows on ashes to bring them to flame.asperateTo make rough or harsh.asphalteAlternative form of asphalt.aspidateShield-shaped; having the form of a flat plate.aspinose(zoology) Lacking a spineaspirate(linguistics) The puff of air accompanying the release of a plosive or fricative consonant.assagaieArchaic form of assegai.assecure(obsolete, transitive) To make safe or sure; to assure.assemble(transitive) To put together.assesseeSomething or someone that is assessed.assetize(transitive) To convert into an asset.assietteA plate of food, but typically a small plate containing the same food item prepared in various different waysassigneeOne to whom a thing is assigned.assinineMisspelling of asinine.assoilzeAlternative form of assoilzie.assonate(rare, poetry) To correspond or exhibit agreement in (particularly vowel) sounds.asswhore(slang, vulgar, rare) A prostitute who is willing to do anal sex.astacene(organic chemistry) The carotenoid ketone 3,5,5-trimethyl-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-3,4-dioxocyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-ene-1,2-dioneastakineAny of a group of cytokines found in freshwater crayfishastatane(inorganic chemistry) astatine hydride or hydrogen astatide, HAt.astatate(inorganic chemistry) The anion AtO₃⁻; any salt containing this anion.astatide(inorganic chemistry) A binary compound of astatine and another element.astatineA highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.astatize(transitive, magnetism) To render astatic.asterane(organic chemistry) Any of a group of hydrocarbon cage compounds consisting of two cycloalkane rings linked to each other by methylene groupsasterite(science fiction, demonym) An inhabitant of an asteroid.astomateWithout a stoma or mouth.astringe(transitive, obsolete) To constrict, to compressastroite(obsolete) A radiated fossil or stone; a starstone.asymtopeMisspelling of asymptote.asystole(pathology, cardiology) An absence of a systole; a failure of the heart to contract.atabaqueA tall Afro-Brazilian hand drum, traditionally having its shell made of jacaranda wood.atabrine(pharmacology) Synonym of quinacrine.atchieveObsolete form of achieve.atebrineAlternative form of atabrine.athecate(biology) That does not have a thecaatherineA small marine fish of the family Atherinidae having a silvery stripe along the sides.athetiseNon-Oxford British English standard spelling of athetize.athetize(linguistics, transitive) To reject a passage of text as spurious.athyrideAny brachiopod of the order †Athyridida.atmolyse(physical chemistry, historical, transitive) To perform atmolysis on.atmolyzeAlternative form of atmolyse.atomlikeCharacteristic of or resembling an atom.atomsiteSynonym of trinitite.atonableCapable of being atoned for.atragene(botany) Any plant of the genus Atragene.atrazine(organic chemistry) A triazine herbicide that inhibits photosynthesis.atrogene(genetics) Any gene that has an influence on atrophy of muscle tissue.atropine(toxicology, pharmacology) An alkaloid extracted from the plant deadly nightshade (Atropa belladonna) and other sources, such as the seeds of the thorn-apple. Though overdoses would be fatal it is used as a drug in medicine for its paralytic effects (e.g. in surgery to relax muscles, in dentistry to dry the mouth, in ophthalmology to dilate the pupils).atroxase(biochemistry) An endopeptidase enzyme, found in the venom of the diamondback rattlesnake Crotalus atrox, that catalyzes the cleavage of His⁵-Leu, Ser⁹-His, His¹⁰-Leu, Ala¹⁴-Leu and Tyr¹⁶-Leu of insulin B chain.atrypideAlternative form of atrypid.attackeeOne who is attacked.attamole(physical chemistry) Alternative form of attomole.attempreObsolete form of attemper.attendeeA person who is in attendance or in the audience of an event.attitudeThe position of the body or way of carrying oneself.attomole(physical chemistry) 10⁻¹⁸ of a mole. This is only about 600,000 particles.aucupate(obsolete) To hunt, to seek with vigilance.audienceA group of people within hearing; specifically, a large gathering of people listening to or watching a performance, speech, etc.auditiveOf or relating to hearing; auditory.augelite(mineralogy) A mineral with monoclinic crystals of the chemical formula Al₂(PO₄)(OH)₃.augurateThe position or office of an augur.auguriseAlternative form of augurize.augurizeTo predict or foretell; to augur.aunswereObsolete spelling of answer.auntlikeResembling or characteristic of an aunt.auralikeResembling or characteristic of an aura.auralizeTo model acoustic phenomena in a virtual environment; to engage in auralization.auramine(organic chemistry, cytology) Any of a family of fluorescent dyes used to stain tissues for fluorescence microscopyaurilaveAn instrument for cleansing the ear, consisting of a small piece of sponge on an ivory or bone handle.aurorite(mineralogy) A triclinic-pinacoidal mineral containing calcium, hydrogen, manganese, oxygen, and silver.austrine(obsolete) Southern; southerly; austral.autobikeClipping of autobicycle: motorcycle; motorbike.autocide(uncountable, agriculture) Control of a pest through propagation of sterile males.autocode(historical, computing) Any of several early assembly languages.autodyne(radio, historical) A circuit that improved radio signal amplification by means of an audion.autoette(historical) A battery-powered microcar with two seats and three wheels, also sometimes used as a kind of wheelchair by disabled people.autofadeAny feature (of a camera, audio mixer, etc.) that fades automatically.autofire(science fiction) A feature that allows a weapon to fire automatically.autofuseTo undergo autofusionautohide(transitive, computing) To hide (a visual element) automatically.autolyse(British) Alternative spelling of autolyze.autolyze(biology, said of a cell) To destroy itself: to be destroyed by its own enzymes.automate(ambitransitive) To replace or enhance human labor with machines.automiseAlternative spelling of automize.automizeTo automate or automatize.autosave(computing) A software facility that saves an open document (or progress in a game, etc.) periodically to avoid the risk of data loss.autositeThe independent twin of a pair of conjoined twins where the other twin is parasitic.autosome(genetics) Any eukaryotic chromosome other than sex chromosomes.autotuneAlternative form of auto-tune.autotype(uncountable, computing) A function that completes the typing of a field using a prediction based upon the characters entered so far.autowaveA self-supporting non-linear wave in active media (i.e. one of those that provide distributed energy sources).autunite(mineralogy) A yellow mineral with tetragonal crystals, Ca(UO₂)₂(PO₄)₂·10-12H₂O.auxinole(organic chemistry) The auxin antagonist 4-(2,4-dimethylphenyl)-2-(1H-indol-3-yl)-4-oxobutanoic acidauxotype(cytology) A subtype of Neisseria bacteria defined by its distinctive growth responses on a medium.avellane(heraldry) In the form of four unhusked filberts.aventureObsolete form of adventure.aveolateMisspelling of alveolate.aversiveTending to repel; causing avoidance.avertiveAlternative form of aversive.avianiseAlternative form of avianizeavianize(medicine) To attenuate (something such as a virus, for example for use in a vaccine) by repeatedly culturing it in bird embryos.aviphileA person who loves birds, a bird-lover.avowableCapable of being avowed or openly acknowledged with confidence.avowanceAn act of avowing; an avowal.avridineAn immunostimulant drug.avulsiveOf or pertaining to an avulsion.awakableAble to be awoken.awaruite(mineralogy) An isometric-hexoctahedral mineral containing iron and nickel.awfulize(intransitive, psychotherapy, psychology) To react dramatically or catastrophically to distressing events.axestoneAlternative form of axstone.axhandleThe handle of an ax.axialite(physical chemistry) A multilayer aggregate of lamellar crystals spreading out from a common edgeaxiomizeAlternative form of axiomatize.axiverse(physics) A postulated universe populated by axions having sizes of many different orders of magnitude.axletreeA bar or beam of wood or iron, connecting the opposite wheels of a carriage, on the ends of which the wheels revolve.axophyte(botany) Any plant with an axis or stemaxostyleA sheet of microtubules found in certain microbial eukaryotes, arising from the bases of the flagella.azaacene(organic chemistry) Any compound based on an acene in which one or more carbon atoms (normally a >CH group) is replaced by a nitrogen atomazaarene(organic chemistry) Any organic compound formally derived from an arene by replacing a carbon atom (or a -CH= group) with a nitrogen atomazacrineA particular mepacrine analogue.azadiene(organic chemistry) Any vinyl imine CH₂=CH-CH=NH or CH₂=CH-N=CH₂; any derivative of these compoundsazalogue(organic chemistry) A compound that is analogous to another, the only difference being that a carbon atom (normally a CH group) has been replaced with a nitrogen oneazasteneAn oral contraceptive.azoarene(organic chemistry) Any azo derivative of an areneazoimideHydrazoic acidazvudineThe antiviral drug 4-amino-1-[(2R,3S,4R,5R)-5-azido-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one.