Other Ending Letters

Word Lengths Starting With B

All 1681 Matching Words

babaylanA Philippine shaman.babelizationThe situation where a region that formerly spoke a single language comes to speak several different languages.babianObsolete form of baboon.babillion(slang, hyperbolic) An unspecified large number (of).babionArchaic form of baboon.baboon(colloquial, derogatory) A foolish, stupid or incompetent person.babyficationThe process of making babyish, or treating like a baby.babygirlification(originally fandom slang) The act or process of making a male fictional character or celebrity into a "babygirl."babykin(endearing) young baby.babylon(UK, slang, countable) A female breast.babymoonA period of calm spent together by a newborn baby and its parents.bacampicillin(pharmacology) An antibiotic which is converted to ampicillin in the body.baccalaureanRelating to a baccalaureate.baccatin(organic chemistry) Any of a group of complex organic compounds present in the yew tree Taxus baccatabacchanalianAlternative letter-case form of Bacchanalian.bacchanalizationRiotous revelry.bacchian(rare) jovial or drunkenbaceridin(organic chemistry) A cyclic hexapeptide present in an epiphytic bacillusbacillariophyceanAny diatom of the class Bacillariophyceaebacillibactin(biochemistry) A siderophore, produced by several bacilli, that scavenges iron from proteinsbacillinAn antibiotic, produced by Bacillus subtilis, that is active against many types of bacterium.bacillolysin(biochemistry) A form of thermolysin present in bacteria of the genus Bacillus.bacillomycinAny of a family of antifungal polypeptide antibiotics obtained from the bacterium Bacillus subtilis.bacillomyxinAn antibiotic, produced by Bacillus subtilis, that is active against some pathogenic fungibacillopeptinAny of a group of cyclic lipopeptide antibiotics present in Bacillus subtilisbacilosarcin(organic chemistry) Any of a group of antiplasmodial amicoumacins found in bacteria of the genus Bacillus.bacilycinAlternative form of bacilysin.bacilysin(medicine) An antibiotic produced by Bacillus subtilisbacitracin(pharmacology) A nonprescription polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or Bacillus licheniformis), usually provided in topical ointment form especially against gram-positive bacteria.backactionAny action in an opposite directionbackannotationAlternative form of back-annotation.backbittenpast participle of backbitebackburnA controlled burn, lit in the path of a wildfire, in order to deprive it of combustible material.backcalculation(mathematics) A form of calculation in which input parameters are adjusted until the calculated result coincides with the actual result found.backchain(computing, artificial intelligence) To perform inferences, starting with a list of goals (or a hypothesis) and working backwards from the consequent to the antecedent.backcourtman(basketball) A backcourt player.backdiffusiondiffusion against the flow of a fluidbackdonation(physical chemistry, quantum mechanics) The transfer of one or more electrons from an atomic orbital of an atom to an antibonding orbital of a ligand.backdownAn act of backing down; a retraction or withdrawal.backfinThe rear fin of a fish.backformationAlternative spelling of back-formation.backgain(UK dialectal) A relapse.backgammonTo win at a backgammon game with the opponent having one or more pieces in the winner’s inner home row or on the bar.backman(sports) A defender in Australian rules football.backmutation(genetics) A mutation that restores the original sequence and hence the original phenotype.backpainAlternative form of back pain.backprojectionAlternative form of back projection.backpropagation(machine learning) An error correction technique used in neural networks.backreaction(physics) The reaction, as a result of Newton's third law, back from a radiating gravitational wave.backrunA reverse flow, either of a fluid or of an anchor chain.backscreen(basketball) Alternative form of back screen.backskin(US) A leather covering worn by miners in wet conditionsbacksliddenpast participle of backslidebacksolutionThe process or result of backsolving.backspinSpin applied to a ball in order to slow it, change its flight, or stop it when it lands.backswordman(historical) One who fights with a backsword or singlestick.backtitrationAlternative form of back titration.backtransformationThe reverse of a transformationbacktranslationAlternative spelling of back-translation.backwardationA situation in which short-term interest rates are higher than long-term interest rates.backwoodsmanA person who is acclimated to living in a forest area that is far removed from civilization or modern conveniences.backwoodsmenplural of backwoodsmanbaclofenA particular drug used to control spasms. It is a derivative of gamma-aminobutyric acid (GABA). It is primarily used to treat spasticity and is in the early stages of use for the treatment of alcoholism.baclophenMisspelling of baclofen.bacn(Internet, informal) Non-spam email messages that have been signed up for, but which the recipient does not necessarily want or have time to read.bacogeninAny of a group of saponins present in Bacopa monnierabaconCured meat from the sides, belly, or back of a pig.bactenecin(biochemistry) Any of a family of antimicrobial cyclic peptides found in the granules of bovine neutrophilsbacterializationThe treatment of a crop with bacteria in order to promote growth, nutrient uptake etc.bacterian(archaic) bacterialbactericidinAny antibody that, together with a complement, can kill bacteria.bacterinA suspension of killed or attenuated bacteria for use as a vaccine.bacterioagglutinin(medicine) An antibody which causes agglutination of bacteria.bacteriochlorinA form of chlorin, of bacterial origin, that has two pyrrole groups in the main ringbacteriocidinAlternative form of bactericidin.bacteriocin(biochemistry) Any of a class of antibiotic toxins, produced by some bacteria, that target closely related bacteriabacteriocinogen(cytology) A bacterial plasmid that directs the synthesis of bacteriocinsbacteriocuprein(biochemistry) A bacterial form of erythrocuprein that contains two atoms of zincbacterioferritin(biochemistry) An oligomeric protein, similar to ferritin, found in various bacteriabacteriolysinAny antibody that causes lysis of the cells of a bacteriumbacterioopsin(biochemistry) A particular transmembrane protein.bacteriophaeophytinAlternative form of bacteriopheophytin.bacteriopheophytin(biochemistry) Any pheophytin of bacterial originbacterioplankton(biology) The bacterial component of marine planktonbacteriopurpurin(organic chemistry) A red pigment found in certain sulfur bacteria.bacteriorhodopsin(biochemistry) Any of several related purple photosynthetic proteins, found in halobacteria, that act as proton pumpsbacterioruberin(organic chemistry) A red class of carotenoid based on (5S,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E,26E,28E,30E,32S)-5,32-bis(2-hydroxypropan-2-yl)-2,8,12,16,21,25,29,35-octamethylhexatriaconta-6,8,10,12,14,16,18,20,22,24,26,28,30-tridecaene-2,35-diolbacteriotoxinAny toxin produced by a bacteriumbacteriotropinan antibody that makes a specific bacterium more susceptible to phagocytosisbacterizationThe act or process of bacterizing.bactobolin(organic chemistry) Any of a group of antitumor antibiotics, based on (2S)-N-[(3S,4R,4aR,5R,6R)-3-(dichloromethyl)-5,6,8-trihydroxy-3-methyl-1-oxo-4a,5,6,7-tetrahydro-4H-isochromen-4-yl]-2-aminopropanamide, present in Pseudomonasbactofection(genetics) gene therapy using bacteria as delivery vectorbactofilinA cytoskeletal element that forms filaments throughout the cells of the rod-shaped proteobacterium Myxococcus xanthus.badchen(Judaism) A kind of Ashkenazic professional wedding entertainer, poet, and master of ceremonies originating in Eastern Europe.badden(ambitransitive) To become or make bad (all senses).badgemanA man who wears a badge.badhanAlternative form of badchen.badian(dated) Star anise.badigeon(dated) A cement or paste (often made with plaster and freestone, or of sawdust and glue or lime) used by sculptors and builders to fill holes, cover defects, or finish a surface.badkhenAlternative form of badchen.badkhnAlternative form of badchen.badkhonAlternative form of badchen.badman(Jamaica) A gangster.badmenplural of badmanbadmin(Internet slang) An administrator or moderator who behaves badly.badminton(countable) A cooling summer drink made with claret, sugar, and soda water.badmittenMisspelling of badminton.badun(informal) A bad thing or person.baecation(African-American Vernacular) A romantic vacation for two taken with one's bae or sexual partner.baeocystinA psilocybin mushroom alkaloid and analog of psilocybin.baermannisationAlternative form of Baermannization.bafilomycin(medicine) Any of a family of toxic macrolide antibiotics derived from Streptomyces griseusbaggageman(US) A railway employee who was in charge of the baggage car, storing and retrieving passenger's baggage and sometimes handling mail.bagmenplural of bagmanbagtikanThe tree Parashorea malaanonan.bagwomanA female bagman (person involved with illicit money).bagwynAn imaginary heraldic animal, like an antelope but with the tail of a horse and two curved horns.bahman(South Asia, North India, Punjab, derogatory) BrahminbaianAlternative form of bayan (“type of accordion”).baicalein(organic chemistry) 5,6,7-trihydroxyflavone, a flavone originally isolated from the roots of Scutellaria baicalensis that acts as a lipoxygenase inhibitor and anti-inflammatory agent.baicalin(organic chemistry) A flavone, the glucuronide of baicalein, found in Scutellaria baicalensis and related plants and used in herbal medicine.baiganAlternative form of bhaigan.bailbondsmanAlternative form of bail bondsman.bailbondsmenplural of bailbondsmanbailsman(law) A person who provides bail for another; bail bondsmanbain(now chiefly dialectal) Ready; willing.baingan(India, uncommon) An eggplant; a brinjal.bainin(Ireland) Undyed white homespun woolen yarn or cloth.bairn(Scotland, and parts of Northern England) A child or baby.bajanAlternative form of bayan (“type of accordion”).bajillion(slang, hyperbolic) An unspecified, absurdly large number (of).bakain(India) Synonym of chinaberry (“the tree Melia azedarach”).bakelizationThe process of bakelizing.bakeovenAlternative form of bake ovenbaktunAlternative spelling of b'ak'tun.bakwanA kind of fritter from vegetables and wheat flour.balabanAn Azerbaijani wind instrument made of wood.baladinAlternative form of balladine.balafonA wooden-keyed percussion idiophone of West Africa that is struck with two padded sticks.balagyptinA particular steroid glycoside.balanitinA particular steroid glycoside.balanitisin(organic chemistry) Any of a group of steroidal saponins found in Balanites.balanomorphanAny barnacle of the suborder BalanomorphabalatronA buffoon; one who speaks a lot of nonsense and is characterized by self-indulgence.balbrigganAn unbleached, knitted, cotton fabric mostly used for underwear.balconObsolete form of balcony.baldacchin(uncountable, archaic) A rich, embroidered brocade used for clothing in the Middle Ages, the web being gold and the woof silk.baldachinAlternative spelling of baldacchin.baldaquinAlternative form of baldacchin.baldcrownThe American wigeon.balden(transitive) To make baldbalectionAlternative form of bolection.baleen(zoology, countable) A baleen whale (Mysticeti).balhimycinA glycopeptide antibiotic related to vancomycinbalianA Balinese shaman or traditional healer.balikbayan(Philippines) A Filipino returning to the Philippines after spending time in another country.balkanizationAlternative letter-case form of Balkanization.balladinAlternative form of balladine.ballean(mathematics) The asymptotical counterpart of a ball (inside surface of a sphere)ballgown(clothing) A formal gown to be worn by women to balls and similar social events.ballisticianA person who has expertise in the field of ballisticsballogan(dialectal, rare) The nipplewort.ballon(ballet) The quality of a jump by which a ballet dancer appears to pause in midairballoonAn inflatable buoyant object, often (but not necessarily) round and flexible.ballotation(obsolete) Voting by ballot.ballotinA small, elegant box (usually containing chocolates).ballpenAlternative form of ball pen.balmacaanA loose overcoat of a certain type, with raglan sleeves and a Prussian collar.balneation(formal) The act of bathing.balofloxacin(pharmacology) A quinolone antibiotic.balopticon(historical) An early kind of stereopticon or projector.balsamationThe act of imparting balsamic properties.balunAn electronic device for connecting a balanced transmission line to an unbalanced one.bambakion(historical) A type of padded under-garment, worn under armour, especially by Byzantine troops.bambermycin(pharmacology) A complex of antibiotics obtained from Streptomyces bambergiensis, used as a food additive for poultry and swine.bamethanA vasodilator with the chemical formula C₁₂H₁₉NO₂.ban(transitive) To prohibit; to interdict; to proscribe; to forbid or block from participation.banalisationThe action of making something banal; trivialization.banalizationAmerican and Oxford British English standard spelling of banalisation.banan(rare, informal) Banana.bananageddon(informal, nonce word) A catastrophe occurring in the crop of economically important bananas, the Cavendish group in genus Musa.banchanA small dish of food served with cooked rice in Korean cuisine.bancorporationA bank holding company.bancroftian(pathology) Caused by the roundworm Wuchereria bancroftibandoleonAlternative spelling of bandoneon.bandoneonA small Latin American accordion played with buttons which is frequently used in tango ensembles.bandonionAlternative spelling of bandoneon.bandplanAlternative form of band plan.bandsman(music, military) A player in a musical band, especially a military or brass band.bandstration(uncountable) the arrangement of music for performance by a bandbandwaggonAlternative form of bandwagon.bandwagonA large wagon used to carry a band of musicians in a parade.bangiophyceanAny red alga of the class Bangiophyceae.bangun(India, uncommon) An eggplant; a brinjal.banianAlternative spelling of banyan.banjolinA musical instrument, most often with four strings, resembling a small banjo but tuned like a mandolin.bankmanAlternative form of banksman.banksman(mining) Synonym of browman.banmianA Chinese dish of handmade noodles in soup.bannermanA person assigned to carry the colours, standards or guidons of a military unit.bannetonA type of basket used to provide structure for breads during proofing.bannianArchaic spelling of banyan.bannination(Internet slang, humorous) A ban.bannition(obsolete) The act of expulsion.bansalaguinAlternative form of bansalague.bantamizationThe process of bantamizing.bantustan(originally South Africa, historical) Any of ten former territories defined as homelands for black South Africans under apartheid policybanyanAn Indian trader, merchant, cashier, or money changer.baon(Philippines) money, food, or other provisions taken to school, work, or on a journey.baptization(obsolete) Baptism.baracanAlternative form of barracan.baracromianAny of the clade †Baracromia of extinct ichthyosaurs.baragouin(countable) A pidgin.barakuminMisspelling of burakumin.baramin(creationism) A set of organisms descended from some originally created species (based on the Biblical doctrine of Special Creation); a kind.barbacanArchaic spelling of barbican.barbadeenAlternative form of barbadine.barbaloin(organic chemistry) aloinbarbarianRelating to people, countries, or customs perceived as uncivilized or inferior.barbarisationAn act which causes people to revert to a state which is primitive and uncivilized.barbarizationAlternative form of barbarisation.barbicanA tower at the entrance to a castle or fortified town.barbitonan ancient stringed musical instrument, apparently a type of lute or lyrebarbourin(biochemistry) A particular disintegrin.barbulationAn arrangement of barbules.barchan(geology, also attributive) An arc-shaped shifting sand dune comprising well-sorted (uniformly sized) sand.bareginSynonym of baregine.barenA tool for pressing woodcuts, consisting of a disk with a coil of string glued to one side, covered with a smooth sheet.bareskinNot wearing clothing; not covered by clothing, hair, feathers, etc.bargainAn agreement or stipulation; mutual pledge.bargemanA member of the crew of a barge.bargewomanThe female equivalent of a bargeman.bargoon(Canada, slang) cheap; discountbarian(mineralogy) Containing barium.bariatrician(medicine) A specialist in bariatrics.barinSynonym of boyar.baritonAlternative form of baryton.barkanAlternative spelling of barchan.barken(poetic) Made of bark.barkhanAlternative spelling of barchan.barleycorn(agriculture) A grain of barley.barmaidenSynonym of barmaid.barmanA man who works in a bar.barmenplural of barmanbarmkin(obsolete) The battlement on the exterior fortification of a castle in northern England and parts of Scotland; a barbican.barmkynAlternative spelling of barmkin.barmskin(UK, dialect, obsolete) A blacksmith's leather apron.barn(agriculture) A building, often found on a farm, used for storage or keeping animals such as cattle.barodenervationdenervation by changes in blood pressurebaroinhibition(physiology) inhibition by means of pressurebaronThe male ruler of a barony.baropleionA baric pleion, one relating to atmospheric pressure.baroreception(medicine) The physiological sensory response to changes in blood pressure.baroregulationThe regulation of blood pressurebarosmin(medicine, obsolete) A resinous product of buchu (from Barosma species), used as a diuretic.barpersonsomeone who works in a bar, a bartenderbarracanA thick, strong kind of camlet from linen, wool, cotton or all three, usually with a stripe structure and fringes, traditionally used for outer garments of both sexes in the Arab World, of a similar purpose as the Roman toga and palla or the Indian sari.barracoonA temporary cage for holding (originally) black slaves, and later convicts and other types of prisoners.barragonA light corded cotton for summerwear, popular in the 18th and 19th centuries.barrelman(nautical) A sailor keeping a lookout from the crow's nest (often in the form of a barrel)barren(of people and animals, not comparable) Not bearing children, childless; hence also unable to bear children, sterile.barrigonThe deciduous tree Pseudobombax septenatum.barrowman(mining, historical) A putter: one who puts the tubs of coal from the workings to the cranes, flats, or stations, so that they can be conveyed to the surface.barspinA BMX bicycle trick in which the rider whips the handlebars around while in the air and then catches them while still in the air.barspoonAlternative form of bar spoon.bartholinianAlternative letter-case form of Bartholinian.bartisan(architecture) A parapet with battlements projecting from the top of a tower in a castle or church.bartizanAlternative form of bartisan.barttin(genetics) A human gene associated with Bartter syndrome.barwomanA woman who serves drinks at a bar.barydonAlternative form of baryton.baryon(particle physics) A heavy subatomic particle created by the binding of quarks by gluons; a hadron containing three quarks. Baryons have half-odd integral spin and are thus fermions. This category includes the common proton and neutron of the atomic nucleus.baryton(music) A viol-like stringed instrument (chordophone) mainly played with a bow but with a set of plucked strings as well, originating in European music prior to the 1800s.basanAlternative form of basil (a tanned sheepskin)basculation(medicine, archaic) The replacement of a retroverted uterus by swinging it into its place.basebornbastard, illegitimatebaseman(baseball, softball) A player positioned at or near a base: first baseman, second baseman or third baseman.basen(ambitransitive) To make or become base (inferior or unworthy); to lowerbaseperson(baseball, softball) A fielder (of any gender) positioned near a base.basewoman(baseball, softball) A female fielder positioned near a basebasiation(obsolete, formal) Kissing.basichromatinThe basophil portion of the chromatin of a cell.basidiolichen(lichenology) Any lichen in which the fungus is a member of the BasidiomycotabasidiomycotanAny fungus of the division Basidiomycotabasification(chemistry) The act or process of making something more basic; raising the pH of something.basigin(genetics) A gene that codes for the basigin (BSG) protein.basilean(obsolete, rare) A royalist; a partisan of a king.basilectalization(linguistics) The process of basilectalizing, becoming a basilect.basilicanOf, relating to, or resembling a basilica; basilical.basilicon(archaic, medicine) Any of various ointments believed to have “sovereign” virtues.basinA wide bowl for washing, sometimes affixed to a wall.basion(anatomy) The middle of the anterior margin of the foramen magnum of the skull.basketwoman(historical) A woman who sells goods from a basket.basogranulin(biochemistry) A basophil granule proteinbasomedian(botany) basal and medianbasommatophoran(zoology) Any member of the Basommatophora.bason(obsolete) Alternative form of basin.basonuclin(biochemistry) A zinc finger protein present in skin and hairbassiacridin(biochemistry) A protein, toxic to locusts, present in the entomopathogenic fungus Beauveria bassianabassmanA man who plays the bass guitar.bassoonA musical instrument in the woodwind family, having a double reed and playing in the tenor and bass ranges.bassorin(organic chemistry) An amylose that is a constituent part of a species of gum from Basra (previously called Bassora), tragacanth, and some gum resins.bastadin(organic chemistry) Any of a series of brominated aromatic amides based on (2Z)-3-(3-bromo-4-{3-bromo-5-[(2Z)-3-{[2-(3-bromo-4-hydroxyphenyl)ethyl]amino}-2-(hydroxyimino)-3-oxopropyl]-2-hydroxyphenoxy}phenyl)-N-[2-(3-bromo-4-hydroxyphenyl)ethyl]-2-(hydroxyimino)propanamidebastardisationNon-Oxford British English standard spelling of bastardization.bastardizationThe making of a bastard or bastards; Having children out of wedlock or destroying the legitimacy of children's paternity.bastillionA fortress or fortified position.bastion(architecture) A projecting part of a rampart or other fortification.baston(heraldry) Obsolete form of baton.basun(India, obsolete) Powdered gram used in cookery or in cleansing the hair, etc.bateriocinAlternative form of bacteriocin.bathmanA male attendant at a bathhouse.bathorhodopsin(organic chemistry) A transient intermediate produced from photorhodopsin when rhodopsin is irradiated with light; it immediately forms lumirhodopsin and other productsbathukolpianAlternative spelling of bathykolpian.bathycolpianAlternative spelling of bathykolpian.bathykolpianDeep-bosomed: big-breasted.bathylimnion(geography) The lowest sublayer within the hypolimnion of a thermally stratified lake, where the sun no longer meaningfully influences water temperature.bathymodiolin(biology) Any of several deep-sea mussels, of the genus Bathymodiolus, often found near hydrothermal vents.bathynellaceanAny crustacean of the order Bathynellaceabathyplankton(biology) plankton living in the bathyal zonebatin(Islam) The internal or hidden meaning of the Qur'anbatman(military) A servant or valet to a military officer.batmenplural of batmanbatonA staff or truncheon, used for various purposes.batoonArchaic form of baton.batrachianPertaining to or resembling a frog or toad.batrachomyomachian(rare) Petty (chiefly of a quarrel).batrachotoxin(neurotoxicology, uncountable) An extremely neurotoxic and cardiotoxic steroidal alkaloid found in poison dart frogs.batracianAlternative form of batrachian.batroxobinA serine protease derived from the venom of Bothrops atrox.batroxostatin(biochemistry) A particular disintegrin.batskinThe hide of a bat.batsman(cricket) A player of the batting side now on the field.batsmenplural of batsmanbatswoman(cricket) A female batter.battalion(military) An army unit having two or more companies, etc. and a headquarters. Traditionally forming part of a regiment.battallionArchaic form of battalion.battenTo cause (an animal, etc.) to become fat or thrive through plenteous feeding; to fatten.batticon(medicine) iodine suspended in povidone solutionbattleplanThe planned strategy and tactics to be used in a battle.battlestationAlternative form of battle station.battlewaggonAlternative form of battlewagon.battlewagon(military) A heavily armed combat vehicle; a tank.battonArchaic spelling of batten.battymanAlternative form of batty man.batwoman(UK, military) A female batman (servant)batzen(historical) A silver coin minted in Bern, Switzerland from the 15th century until the mid-19th century, equal to 10 rappen.baucan(historical) A long red streamer hoisted by ships during the Middle Ages to indicate combat to the death.baudekinAlternative form of baldacchin.baumannoferrinAny of a group of hydroxamate siderophores produced by Acinetobacter baumanniibauplan(biology) A plan of the essential elements of the bodies of a related group of organisms.bausonAlternative form of bawson.bauvericinMisspelling of beauvericin.bavarianA type of custard-like food, made with fruit.bavian(obsolete) A baboon.bavin(Southern England, archaic, countable) A bundle of wood or twigs, which may be used in broom-making.bavistinSynonym of carbendazim.bawanAlternative spelling of ba-wan.bawdkinAlternative form of baldacchin.bawnA cattle-fort; a building used to shelter cattle.bawneen(Ireland) Woven wool or flannel; especially undyed, unbleached wool.bawsinAlternative form of bawson.bawson(obsolete) A badger.baxterizationAlternative letter-case form of Baxterization.bayanA type of chromatic button accordion developed in Russia in the early 20th century.bayanihan(Philippines) Mutual cooperation for the public good.bayesianAlternative letter-case form of Bayesian.bayman(US, naval) A sickbay nurse.baymenplural of baymanbazillion(slang, mathematics, hyperbolic) An unspecified large number (of).bazookamanA soldier armed with a bazooka.bdellinAny of a class of proteinase inhibitors found in leeches.bdellionAlternative form of bdellium.beachsalmonA fish (Leptobrama muelleri) native to the coasts of southern New Guinea, Queensland, and Western Australia.beaconA signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning.beadmanAlternative form of beadsman.beadsmanA man employed in praying; especially one who prays for another.beadsmenplural of beadsmanbeadswomanA female beadsman.beakironAlternative form of beak-iron.beampatternThe pattern of radiation in a beam.beamtrain(physics) The connected beams of light in an interferometer or similar device.beanAny plant of several genera of the taxonomic family Fabaceae that produces large edible seeds or edible seedpods.beanbrain(slang, derogatory) A stupid person; an idiotbearskin(countable, uncountable) The pelt of a bear, especially when used as a rug.beasten(obsolete) Of, relating to, or pertaining to beasts; bestial.beastificationThe process of beastifying.beastman(fantasy) An intelligent man-sized beast with varying characteristics.beastmenplural of beastmanbeatdown(music) A subgenre of hardcore punk influenced by heavy metal.beatificationThe act of beatifying, or the state of being beatified; especially, in the Roman Catholic Church, the act or process of ascertaining and declaring that a deceased person is one of "the blessed," or has attained the second degree of sanctity, — usually a stage in the process of canonization.beatsman(dated, rare) A policeman who walks the beat.beaufinArchaic form of biffin (“apple”).beauticianSomeone who does hair styling, manicures, and other beauty treatments.beautificationMaking beautiful, beautifying, improving the appearance of something.beautilitarianA person who seeks beauty and utility.beautillionA coming-of-age party for a young man.beauvercin(biochemistry) A particular Fusarium toxin.beauvericin(biochemistry) An enniatin depsipeptide with antibiotic and insecticidal effects, isolated from the fungus Beauveria bassiana.beaverkin(diminutive) A small or young beaver.beaverskinThe pelt of a beaver.beaverteenA kind of fustian made of coarse twilled cotton, shorn after dyeing.bebbistatinMisspelling of blebbistatin.bebeerinArchaic form of bebeerine.bebization(historical, music) A 17th-century system of singing.becaplerminA cicatrizant, available as a topical gel.becatecarinA form of rebeccamycinbeckon(ambitransitive) To wave or nod to somebody with the intention to make the person come closer.beclin(biochemistry) Any of a group of proteins associated with autophagy and apoptosisbeclown(transitive) To make a fool of.becrimson(transitive, poetic) To turn crimson; to redden.becrown(transitive) To place a crown upon; crown.becurtainTo curtain; bedeck or cover with a curtain; (by extension, figurative) to shroud.bedamn(transitive, somewhat vulgar) To damn or curse roundly or with iteration and emphasis; damn all over.bedarkenTo make dim, or to darken, or obscure.bedawinAlternative letter-case form of Bedawin.bedcurtainOne of the curtains around the sides of an old-fashioned bed.bedeafen(archaic) To deafen.bedeen(obsolete) As a single unit or body; together.bedeman(obsolete) beadsmanbedemon(transitive, rare) to bedevilbedesmanObsolete form of beadsman.bedesmenplural of bedesmanbedestenAn indoor marketplace in the Ottoman Empire.bedeswomanAlternative form of beadswoman.bedewomanAlternative form of beadswoman.bedgownAn article of women's clothing for the upper body, usually worn in bed, thigh-length and wrapping or tying in front; a bedjacket.bedirten(obsolete, UK dialectal) Fouled with dirt or excrement; befouled.beditation(informal) Meditation performed on a bed.bedizen(also figurative) To dress or ornament (someone or something), especially in a gaudy, showy, or tasteless manner.bedizzenAlternative spelling of bedizen.bedlinenThe items of cloth used to make up a bed, such as sheets and pillowcases, formerly made of linen but now manufactured in a wide variety of material such as cotton or polyester.bedouinAlternative letter-case form of Bedouinbedoven(obsolete) drenched.bedpanA pan used for urination and defecation while in bed, now usually for reasons of medical necessity or convenience.bedriddenConfined to bed because of infirmity or illness.bedrunkendrunken, drunk.beechenConsisting or made of the wood or bark of the beech tree.beehoonAlternative form of bee hoon.beemageddon(informal) The widespread incidence of colony collapse disorder, feared to portend a coming mass extinction of honeybees.beemanOne who tends bees, usually as an occupation; beekeeper.beenpast participle of be.beercanAlternative form of beer can.beergardenAlternative form of beer garden.beetlebrainA stupid person.beetleskin(slang, rare) A condom.befallenpast participle of befallbeforenoon(rare, nonstandard) Forenoon.begansimple past of beginbegathon(slang, derogatory) A fundraising drive that actively solicits donations, especially one to support a public television or radio station.beggarwomanA female beggar.begin(ergative) To start, to initiate or take the first step into something.begivenpast participle of begivebegladden(transitive) To gladden about or all over; make glad; overjoy.beglisten(intransitive) To glisten all about.begottenpast participle of begetbegroan(transitive) To groan about; bewail; groan at.begrutten(dialectal, Scotland) Showing the effects of much weeping; marred or swollen in the face through continued weeping.begunpast participle of beginbehappen(transitive, obsolete) To happen to, to befall.behearken(transitive) To listen to; hearken to; observe; obey.behemothianHuge; very large.behen(obsolete) Any of various plants imported into Europe for the pharmaceutical trade in dried form, so of uncertain identity.beholden(usually followed by 'to') Obligated to provide, display, or do something for another; indebted, obliged for a bounden duty.behorn(transitive, obsolete) To put horns on; cuckold.bein(Now chiefly dialectal) Wealthy; well-to-do.bejan(now historical) A freshman at various Scottish and continental universities.bekanamycin(pharmacology) A particular aminoglycoside antibiotic.bekantan(Indonesia) The proboscis monkey.beken(transitive, obsolete) To make known; reveal.beknownpast participle of beknowbelacanAlternative form of belachan (“shrimp-paste condiment”).belachan(Malaysia, Singapore, Brunei) A Malay condiment made from fermented shrimp paste.belearn(ambitransitive, nonstandard, proscribed) To learn about; study; educate; teach.bellerophon(paleontology) Any of the genus †Bellerophon of fossil gastropod shells, believed to belong to the Heteropoda, and peculiar to the Paleozoic age.bellidiflorin(organic chemistry) An organic compound found in some lichens.bellmenplural of bellmanbelloneon(historical, music) A mechanical musical instrument consisting of twenty-four trumpets and two kettle drums.bellonionAlternative form of belloneon.bellwomanA female bellhop.bellybutton(informal) The navel or umbilicus.belotecanA semisynthetic camptothecin analogue used in chemotherapy.beloxepin(pharmacology) A particular analgesic drug.beltmanA person who operates and maintains a conveyor belt.beluinObsolete spelling of belluine .belzutifanAn oral medication for the treatment of Von Hippel-Lindau disease-associated renal cell carcinoma.bemadden(archaic or poetic) To cause (someone) to become mad.beman(transitive) To furnish or fill with men; man.bemean(transitive, obsolete) To mean; signify; inform.bemesetron(pharmacology) A drug with antiemetic effects, used mainly in scientific research.bemiparin(pharmacology) A particular antithrombotic.bemoan(transitive) To moan or complain about (something).bemoisten(transitive) Make moist.bemoradan(pharmacology) A phosphodiesterase inhibitor.bemourn(transitive, rare) To weep or mourn over.bemoystenObsolete spelling of bemoisten.ben(Scotland, Northern England) In, into.benadrostin(organic chemistry, medicine) The compound 8-hydroxy-2H-1,3-benzoxazine-2,4(3H)-dione, which is an inhibitor of poly(ADP-ribose) synthetasebenastatin(organic chemistry) Any of a group of naphthacene carboxylic acids that inhibit apoptosisbenbenSynonym of benben stone.benchmanA worker who uses a workbench.benedictionIn the Anglican church, the ceremony used to institute an abbot, analogous to the consecration of a bishop.benefactionAn act of doing good; a benefit, a blessing.beneficiationThe reduction in size of particles of ore (or similar physical processing) before further processing to recover the metal.benettitaleanOf or pertaining to Bennettitales.benighten(obsolete, transitive) To benight.benignKind; gentle; mild.benison(chiefly literary) A blessing; benediction.benjaminA balsamic resin from the bark of Styrax trees used in perfumes, incense, and medicine; benzoin resin.benmoxinAn irreversible nonselective monoamine oxidase inhibitor of the hydrazine class, formerly used as an antidepressant.bennettitalean(zoology) Any of the extinct plants of the order Bennettitales.benocclusion(rare) Normal occlusion (alignment) of the teeth when the jaws are closed.benoxaprofen(pharmacology) A nonsteroidal anti-inflammatory drug.benoxathianA particular α 1-adrenoceptor antagonist.benpen(medicine, colloquial) Benzylpenicillin.bentaluronA particular fungicide.bentazon(organic chemistry) The herbicide 3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxidebenthocyanin(organic chemistry) The free radical scavenger 5-[(2E)-3,7-Dimethyl-2,6-octadien-1-yl]-2-oxo-3-phenyl-2,5-dihydrofuro[2,3-b]phenazine-9-carboxylic acid present in Streptomyces prunicolorbenthon(ecology, biology) The habitat at the bottom of a body of water.bentonitization(mineralogy) the process by which bentonite if formedbenzannulation(organic chemistry) Modification by the addition of, or by cyclization to form, a benzene ringbenzidinArchaic form of benzidine.benzinArchaic form of benzine.benzoannulation(organic chemistry) A reaction that forms a benzoannulated productbenzodihydrofuran(organic chemistry) A bicyclic heterocycle composed of fused benzene and dihydrofuran ringsbenzodihydropyran(organic chemistry) A bicyclic heterocycle composed of fused benzene and dihydropyran ringsbenzofuran(organic chemistry) Any of a class of bicyclic heterocycles consisting of a benzene ring fused with one of furan.benzofuroxan(organic chemistry) A bicyclic heterocycle composed of a benzene ring fused to furoxanbenzoinThe spicebush, Lindera benzoin.benzomorphan(medicine) Any of a class of analgesics, such as phenazocine and pentazocine, having a structure based on benzazocinesbenzoporphyrin(organic chemistry) Any compound whose structure is that of a porphyrin with one or more benzene rings fused to its pyrrole rings.benzopurpurin(organic chemistry) Any of a family of red azo dyes used for dying cottonbenzopyran(organic chemistry) Either of two isomeric bicyclic heterocycles consisting of a benzene ring fused to that of pyran, but especially 2-benzopyranbenzothiazepinAlternative form of benzothiazepine.benzothiopyran(organic chemistry) A bicyclic heterocycle consisting of a benzene ring fused to that of thiopyranbenzoxepin(organic chemistry) A heterocyclic compound containing an oxepin fused to a benzene ring.benzoxylation(organic chemistry) Any reaction that introduces a benzoxyl group into a moleculebenzoylation(organic chemistry) A reaction that introduces a benzoyl group into a moleculebenzquercinA flavonoid drug.benzylation(organic chemistry) The addition of one or more benzyl groups to a moleculebenzylhydantoin(organic chemistry) A hydantoin into which a benzyl group has been substitutedbenzylpenicillin(pharmacology) The penicillin C₁₆H₁₈N₂O₄S that constitutes the principal or sole component of most commercial preparations and is used chiefly in the form of its stable salts (as the sodium salt C₁₆H₁₇N₂NaO₄S or potassium salt C₁₆H₁₇KN₂O₄S).benzylquercetin(organic chemistry) Any benzyl derivative of quercetinbequethen(obsolete) past participle of bequeathbequothen(obsolete) past participle of bequeathberain(transitive) To rain upon; wet with rain; moisten.beration(rare, nonstandard) Beratement: the act of berating.berberinArchaic form of berberine.bereaven(obsolete) bereftbergamottin(organic chemistry) Any of a group of furanocoumarins found principally in grapefruit juice, but also in bergamot oil; thought to be responsible for its effect on the metabolism of some pharmaceuticals.bergapten(biochemistry) 5-methoxypsoralen, a psoralen found in the essential oil of bergamot (where it is the cause of phototoxicity) and other citruses.bergen(UK, military) A large rucksack.bergenin(organic chemistry) A trihydroxybenzoic acid glycoside with an immunomodulatory effect, found in Bergenia and other plants.berghaan(South Africa) Verreaux's eagle (Aquila verreauxii)beribbonTo adorn with ribbons.beridden(literal) Ridden upon; ridden by.berlinA four-wheeled carriage with a separate sheltered seat behind the body.bermoprofen(pharmacology) A nonsteroidal anti-inflammatory drug.berninamycinAny of a class of thiopeptide antibioticsberovin(zoology) A calcium ion-regulated photoprotein from the ctenophore Beroe abyssicola.besanGram flour, as used in Indian and Burmese cuisine.bescorn(obsolete) To treat with scorn.bescreen(transitive) To cover with a screen, or as with a screen.beseenpast participle of besee.beshittenpast participle of beshite.beshorninA particular steroid glycoside.besifloxacin(pharmacology) A particular fluoroquinolone antibiotic.besmitten(archaic, rare) smitten; infatuatedbesottenpast participle of besotbespin(ambitransitive) To spin around or about, so as to cover; spin all over.bespokenpast participle of bespeakbessemerizationThe conversion of iron to steel by the Bessemer processbestain(transitive) To mark with stains; discolour; spot.bestatinthe protease inhibitor ubenimexbestializationThe state or process of turning bestial; depravation, corruption, degradation, dehumanization.bestiarian(dated, rare) A person who upholds the rights of animals; especially an antivivisectionist.bestrewnpast participle of bestrewbestriddenpast participle of bestridebestrophin(biochemistry) Any of a family of proteins that channel chloride ions across membranesbestrown(archaic) past participle of bestrewbesweeten(literary, rare) Sublimely sweeten.betacellulinA protein belonging to the EGF family of growth factors, synthesized primarily as a transmembrane precursor.betacyaninAny of the betalain pigments which appear reddish to violet, found in beets, chard, and Amaranthus tricolorbetaferonAn interferon used to treat multiple sclerosisbetafunctionAlternative form of beta function.betaglobinAlternative form of beta globin.betaglycanA particular proteoglycanbetakenpast participle of betakebetalainA class of red and yellow indole-derived water-soluble pigments found in beets and other plants of the Caryophyllales and used commercially as coloring agents.betalipoproteinAlternative spelling of beta-lipoprotein.betamipronA chemical compound used with panipenem to inhibit panipenem uptake into the renal tubule and prevent nephrotoxicity.betanidin(organic chemistry) The aglycone of betaninbetanin(organic chemistry) A glycoside obtained from beetroot.betathromboglobulin(biochemistry) A protein stored in platelets that stimulates mitogenesis, extracellular matrix synthesis, glucose metabolism, and plasminogen activator synthesis in human fibroblasts.betatron(physics) A form of cyclotron used to accelerate electrons to high speed.betatrophinA particular protein with possible future applications in treating diabetes.betaxanthinAny of the betalain pigments which appear yellow to orange.bethoxazinA particular fungicide.betoken(transitive) To signify by some visible object; show by signs or tokens.betorn(archaic) Torn in pieces; tattered.betrixaban(pharmacology) A particular anticoagulant drug.betroddenpast participle of betreadbetrothen(rare) Betrothedbetulin(biochemistry) A naturally-abundant triterpene, commonly isolated from the bark of birch trees, that can be converted to betulinic acidbeturn(archaic, ambitransitive) To turn round or about.betweenIn the position or interval that separates (two things), or intermediate in quantity or degree. (See Usage notes below.)betweenbrainAlternative form of 'tweenbrain.bevan(Queensland, informal, now uncommon) a boganbevatronA particle accelerator of the 1950s, capable of imparting energies of billions of electron volts.beweapon(transitive, often reflexive) To furnish, fit, or supply with a weapon; arm.bewin(transitive, archaic) To gain, win, or get possession of.bewovenWoven about; woven into or throughout; (by extension) pervasivebewrittenWritten about; depicted; portrayed; described.bexagliflozinAn antidiabetic medication.beyearn(transitive) To yearn over or about; yearn for; long for; desire.bezonian(obsolete) A beggar, pauper, or rascal.bhagwaan(India, Hinduism) a god.bhaigan(India, Trinidad and Tobago, cooking) brinjal, eggplant, auberginebhajan(music) A type of Indian devotional song.bhangramuffin(music) A genre of raggamuffin dancehall influenced by bhangra or other music from the Indian subcontinent.biactivationdual activationbiadjunction(mathematics) A biadjoint adjunction.biangulationThe establishment of the two-dimensional position of a point, relative to a fixed point, by first establishing the position of an intermediate pointbiarmosuchian(zoology) Any therapsid of the suborder Biarmosuchia.biathlon(winter sports, uncountable) Racing combining cross-country skiing and rifle shootingbiautomaton(mathematics) A finite automaton which arbitrarily alternates between reading the input from the left and from the rightbibation(uncommon, formal) Drinking, act of drinking (especially alcohol), imbibing.bibliomanian(archaic) Exhibiting or relating to bibliomania; having an obsession with collecting books.bibliometricianOne who studies bibliometrics.bibliothecarian(now rare) A librarian.bibrotoxin(toxicology) A toxin derived from the venom of the asp Atractaspis bibronii.bibulation(uncommon) drinking of alcoholbicapitalizationThe practice of spelling a two-word name without a space, using a capital letter to indicate the start of each constituent word. (Most words thus formed, but not all, are trade names.)bicentenarianOne who or that which is between 200 and 299 years old.bichonAny of a class of toy dogs with curly or wavy hair and long curled tails.bicistron(genetics) A second, coexpressed plasmidbickernAn anvil with two projecting taper ends.bicolonA pair of adjacent lines of poetry in which the second echoes the meaning of the firstbicolorationAlternative form of bicolouration.bicolouration(botany) The presence of two separate colourations on the same plant.bicompletion(mathematics) The process that makes a category bicomplete.bicorn(mathematics) A plane curve having two cusps.bicornin(organic chemistry) A particular ellagitannin.bicornutin(biochemistry) An arginine-rich oligopeptide that has antimicrobial propertiesbicorrelation(statistics) The correlation between two sets of variablesbicriterion(mathematics) Either of a pair of related criteriabicronA billionth (short scale) of a metre, represented by μμ; a nanometre.bicucullinAlternative form of bicuculline.biculturationThe process of transculturation between two cultures.bicupin(biochemistry) Any protein that has two copies of the cupin domainbicuspidization(dentistry) The separation of the mesial and distal roots of a molar in order to eliminate a furcation and allow normal oral hygienebicyclian(rare) Of or pertaining to a bicycle or bicycles.bicyclisation(organic chemistry) Any reaction that produces a bicyclic productbicyclomycinA particular peptide antibioticbiddenpast participle of bidbidentalianAny extinct therapsid of the superfamily Bidentaliabiderivation(mathematics) A bilinear mapping which is a derivation in each variable separately.bidiagonalization(mathematics) A particular form of matrix decompositionbidistillationdouble distillation; the act of distilling twicebidonA bottle or flask for holding a beverage such as water or wine; (specifically, sports) a water bottle which can be squeezed to squirt the beverage out of the nozzle, especially (cycling) one designed for mounting on a bicycle.biexciton(physics) A quantum combination of two excitonsbifanA network motif in which two outputs link to the same two inputsbifenthrinA pyrethroid insecticide that affects the nervous system of insects.biffinA deep-red cooking apple native to Britain.bifiltration(mathematics) A two-dimensional filtrationbifucosylationfucosylation at two positionsbifunction(mathematics) A function of a pair of valuesbifunctionalizationThe process of making something bifunctionalbifuran(organic chemistry) Any of three isomeric bicyclic heterocycles in which two furan rings are directly linked with a single bondbifurcation(biology) A division into two branches.bigaroon(dated) The Royal Ann cherry.bigfinUsed to describe various creatures with large fins.biggenPronunciation spelling of begin.bigginA coffee pot with a strainer or perforated metallic vessel for holding the ground coffee, through which boiling water is poured.biggonArchaic spelling of biggin (“hat”).biggun(informal) A large thing.bighornCertain North American species of sheepbigitalinA particular steroid glycoside.biglycan(biochemistry) A small leucine-rich repeat proteoglycan which is found in a variety of extracellular matrix tissues, including bone, cartilage and tendonbigon(rare) A polygon having two edges and two vertices.bigrassmannian(mathematics) Pertaining to a permutation such that there is at most one left and one right descent (at most one index i and one index j, such that wsᵢ < w and sⱼw < w).bigunAlternative form of biggun.bihamiltonian(mathematics) Describing any system that may be described by a pair of hamiltonian structuresbihermitian(mathematics) Hermitian in x for every y and hermitian in y for every x.bijection(set theory) A one-to-one correspondence, a function which is both a surjection and an injection.bikaryon(cytology) Either of the nuclei of a binucleate cellbikathonAlternative spelling of bikeathon.bikaverin(organic chemistry) The xanthene pigment 6,11-dihydroxy-3,8-dimethoxy-1-methylbenzo[b]xanthene-7,10,12-trionebikeathonA charity event in which participants cycle a long distance.bikeporn(slang) Images of bicycles, and associated equipment, in a style meant to arouse feelings of appreciation and envy.bikuninA plasma proteinase inhibitor that has other physiological propertiesbilaminationThe creation of a bilaminatebilaplacian(mathematics) Synonym of biharmonic.bilatarianMisspelling of bilaterian.bilateralizationThe process or the result of bilateralizing.bilateran(biology) Having bilateral symmetry, i.e. an axis of symmetry that goes down from the top to the bottom.bilaterian(zoology) Any animal that has bilateral symmetry, collectively grouped in the clade Bilateria.bildungsromanA novel tracing the spiritual, moral, psychological, or social development and growth of the main character, usually from childhood to maturity.bilectionArchaic form of bolection.bilepton(physics) A proposed form of gauge boson having a lepton number of two.bilianA hardwood tree, Eusideroxylon zwageri, of Malaysia, Borneo, Indonesia, and the Philippines.biliation(physiology) The production and/or excretion of bile.bilicyanin(biochemistry) A blue (or bluish) bile pigment found in gallstones and formed by oxidation of biliverdin or bilirubin.bilifuscin(biochemistry) A brownish-green pigment, derived from bilirubin, found in human gallstones and in old bile.bilin(biochemistry) Any of various biological pigments formed in many organisms as a metabolic product of certain porphyrins.bilinearisationAlternative form of bilinearization.bilinearization(mathematics) A process that makes a function bilinear.biliprasin(biochemistry) A dark green pigment found in small quantities in human gallstones.biliprotein(biochemistry) Any of a group of coloured conjugated protein, containing a bilin, that function as photoreceptorsbilirubin(biochemistry) A bile pigment that is a product of the breakdown of the heme portion of hemoglobin (which occurs within macrophages as they digest red blood cells), and which is responsible for the yellowish color seen in bruises. Extremely high levels of bilirubin may cause jaundice.biliverdin(biochemistry) A green tetrapyrrolic bile pigment, a product of heme catabolism, responsible for the greenish color sometimes seen in bruises.billikinAlternative form of Billiken.billingsellacean(zoology) Any brachiopod of the superfamily Billingsellacea.billionEither of two large amounts:billmanA man who uses, or is armed with, a bill or hooked axe.billonAny of several alloys of precious metals and base metals that are used (where legal) to make coins, medals etc.billycan(UK, Australia, South Africa) A lightweight pot for cooking or boiling water, used in camping.bilobulationThe condition of being bilobulatebilocation(parapsychology) The ability to be, or fact of being, in two places at once.bimagnon(physics) A double magnonbimboficationThe act or process of making or becoming a bimbo.bimedian(mathematics) A line that joins the midpoints of opposite sides of a quadrilateral or tetrahedronbinA box, frame, crib, or enclosed place, used as a storage container.binagoonganA sautéed pork dish of the Philippines, flavoured with shrimp paste.binarion(mathematics) An element in the second level of associative composition algebra being a composition of two unarions.binarisationAlternative spelling of binarization.binarizationConversion of a picture to only black and white.bination(Catholicism) In the Catholic Church, the offering up of the Holy Sacrifice of the Mass twice on the same day by the same celebrant.binchotanA kind of oak charcoal used in traditional Japanese cooking.bindin(biochemistry) A protein involved in the process of sea urchin fertilization.binitarian(religion) A proponent of binitarianism.binman(less common) Alternative spelling of bin man.binmenplural of binmanbinnArchaic spelling of bin (“storage container for wine, etc.”).binomenA name having two parts.binucleation(cytology) The division of a nucleus without division of the cell's cytoplasm.binyan(linguistics) In Semitic languages, especially Hebrew, a template that creates verbs by having root consonants slotted into it.bioabsorption(biology) The process whereby substances are absorbed by the tissues and organs of organismsbioaccumulation(biology) The process by which substances accumulate in the tissues of living organisms; used especially of toxic substances that accumulate by means of a food chain.bioacousticianAn expert in bioacoustics.bioactionA biological action or processbioactivation(biology) The metabolic activation of xenobiotic compounds into reactive, toxic compoundsbioactuationBiological or biochemical actuation (typically by a muscle).bioadaptation(biology) biological adaptationbioadhesionbiological adhesionbioadsorptionadsorption by a bioadsorbentbioadvectionbiologically driven advectionbioaerationA form of the activated sludge process in which air is blown through the raw sewage.bioaerosolizationThe formation of a bioaerosolbioalkylation(biochemistry) Any biochemical reaction in which an alkyl group is attached to a molecule or to a metalbioallethrin(organic chemistry) An ectoparasiticide related to allethrinbioamplificationSynonym of biomagnification.bioapplicationA biological applicationbioassimilationBiological or biochemical assimilation.bioassociationbiological associationbioaugmentationThe use of microorganisms to help decompose pollutantsbioburdenA measure of an object's contamination with microorganisms.biocalcification(biochemistry) The biochemical production and subsequent accumulation of calcium carbonate to form hard tissue.biocarbonCarbon existing in biomass or (especially) set loose from it by combustion.biocarcinogenA carcinogenic organismbiocementationcementation by the deposition of calcium carbonate by microbesbiochanin(organic chemistry) Any of a particular group of naturally-occurring flavonoidsbiocharacterization(biology) biological characterizationbiochronthe length of time represented by a biozonebioclaustration(uncountable, biology) A form of symbiosis in which a soft-bodied organism lives entirely within a harder-bodied onebiocleanKept free from biological contaminants.biocognitionbiocognitive cognitionbiocollectionA collection of biological materialbiocolonization(medicine, sciences) Colonization (typically of a surface) by biological organisms.biocommunicationThe field of medical art and illustration.biocompatibilizationbiological/biochemical compatibilizationbiocomputationThe use of biocomputers.bioconcentration(biology) Any process that leads to a higher concentration of a substance in an organism than in its environmentbioconcretionHardened biological materials.bioconjugation(biochemistry) Any reaction that forms a stable covalent link between two biomoleculesbioconstructionThe construction of an architectural element by a (group of) living organism(s)biocontaminationContamination with biological material or agents.bioconvection(biology, physics) The motion of large numbers of small organisms in a fluid, especially free-swimming zooplankton in waterbioconversionThe conversion of biological material into usable products; but especially the conversion of biomass into biofuelbiocorrelation(biology, geology) biostratigraphic correlationbiocorrosionbiological or biochemical corrosion (typically by microorganisms)biocremationSynonym of resomation.biocrystallizationThe formation of crystals from organic macromolecules by living organisms.bioctahedronAn octahedron with two units.biocuration(biology, computing) The organization, representation and making accessible of biological data to both humans and computersbiocytin(biochemistry) An organic compound having the chemical formula C₁₆H₂₈N₄O₄S, formed by covalent bonding between biotin and a lysine residuebiodebromination(biochemistry) biochemical debrominationbiodecolorizationdecolorization by means of a biological organismbiodecontaminationbiological decontaminationbiodegenerationbiological or biochemical degenerationbiodegradationThe decomposition of any material by microorganisms.biodepositionDeposition of biogenic material on the bottom of a body of water, usually in the forms of faeces and pseudofaeces.biodesign(biology) The design of biological systemsbiodesulfurizationdesulfurization by means of living organismsbiodetectionbiological or biochemical detection (typically of cancer)biodeterioration(biology) Any undesirable change in the properties of a material, a construction, or a process caused by the vital activities of organisms.biodetoxificationThe removal of toxic components of biofuelbiodiffusionbiological diffusionbiodigestionbiological / biochemical digestion (typically anaerobic)biodilution(biology) A decrease in concentration of especially a pollutant with a corresponding increase in the trophic level in a body of water.biodispersionbiological (or biochemical) dispersion (typically of marine pollution)biodistribution(biology, biochemistry) The distribution (static and dynamic) of compounds within a biological system or within an organismbiodiversification(ecology) The process of establishing and developing biodiversitybiodomainA biological domain.bioduplicationThe adoption of biological processes for the purpose of material synthesis.bioelimination(biochemistry) The removal of a substance, especially from aqueous solution, by biochemical activity.bioencapsulationBiological encapsulation.bioencrustationencrustation with biological materialbioerosionThe erosion of undersea rock or coral reefs by mollusks and other organisms.bioevaluationbiological or biochemical evaluationbioevolutionThe evolution of biological organisms.bioexclusionThe exclusion of a pathogen or disease from a group of organisms (a part of biosecurity)bioexpression(genetics) biological expression of a genebiofabricationThe manufacture of things from biological materials.biofermentationSynonym of fermentation, especially that of waste biological materialbiofertilisationAlternative form of biofertilization.biofertilizationbiological fertilizationbiofiltrationA technique for pollution control using living material to capture and biologically degrade process pollutants.bioflocculationThe flocculation of biological organisms such as bacteria and algaebioflotationflotation (of minerals) by means of biosurfactantsbioformulationA biopharmaceutical formulationbiofortificationThe process of increasing the nutritional content of the edible portion of plant foods to levels that consistently exceed the average content observed.biofractionA biological fractionbiofragmentationbiochemical (enzymatic) fragmentation, typically of a polymerbiofumigationfumigation using a biofumigantbiofunction(biology) biological functionbiofunctionalisationAlternative spelling of biofunctionalization.biofunctionalization(biology) The modification of a material (especially a nanomaterial) to add biological functionbiogasificationgasification to produce biogasbiogen(biology, dated) bioplasmbiogenerationbiochemical generationbiohalogenation(biochemistry) biochemical halogenationbiohydrogenhydrogen produced biologically (mostly by bacteria) as a biofuelbiohydrogenation(biochemistry) biochemical (enzymatic) hydrogenationbiohydrogenerationbiological hydrogenerationbiohydroxylation(biochemistry) biochemical hydroxylation, typically of hydrocarbonsbioidentificationbiometric identificationbioilluminationillumination by means of bioluminescencebioimmurationThe imprint of one organism in the fossilized skeleton of another organism.bioinactivation(biochemistry) The metabolic conversion of a xenobiotic substance to a less toxic derivativebioinclusionA biological inclusion (in, for example, amber)bioincorporationbiochemical incorporationbioindicationThe action of a bioindicator.bioinfiltrationinfiltration of water through a biological medium, typically through a rain gardenbioinformaticianA practitioner of bioinformaticsbioinformationbiological informationbioinoculationThe use of a biological (typically microbial) inoculant.bioinspirationinspiration from biological organisms, as in design etc.bioinstrumentationThe use of sensors attached to or embedded in the body to remotely monitor physiological functionbiointegrationComplete fusion between artificial and biological materials, as in e.g. orthopedic implants.biointeractionA biological interactionbioinvasionThe rapid expansion of a species into regions where it did not previously exist, often as a result of human agency.bioirrigation(biology) Irrigation by a biological organization, sometimes as a result of bioturbation.biolocomotionThe locomotion of living organisms (and the study of this)biologizationassimilation into a biological frameworkbiolubricationbiological lubrication (especially at a joint between bones)biomagnification(biology) The process, in an ecosystem, in which a higher concentration of a substance in an organism is obtained higher up the food chain.biomanA cisgender man.biomanipulationthe deliberate alteration of an ecosystem by adding or removing species, especially predatorsbiomathematicianOne who studies biomathematics.biomechanicianA mechanician whose speciality is biomechanicsbiomedicalisationAlternative form of biomedicalization.biomedicalizationThe act or process of making something biomedical; a shift to a viewpoint based on biomedicine.biomelaninmelanin extracted from a biological source (such as chicken feathers) for use in sunscreens etc.biomethanationbiological or biochemical methanationbiomethanizationThe anaerobic decomposition of organic matter to produce methane.biomethylation(biochemistry) Any bioalkylation reaction in which a methyl group is attachedbiometricianOne who practices biometrics.biomineralisationAlternative spelling of biomineralization.biomineralization(biochemistry) The formation of hard mineral deposits within a living organism; especially the process whereby bone and similar structural material is formed.biomodificationThe process of modifying a biological organism using either genetic or mechanical means.biomodulationbiological or biochemical modulationbiomonitorizationSynonym of biomonitoring.biomotionMotion from a living organism.biomultiplicationSynonym of biomagnification.bion(science fiction) A cyborg or robot.bionanointeractionA biological or biochemical nanointeractionbioneutralizationbiological or biochemical neutralization (in any of several contexts)bioorganA synthetic organ (of the body) manufactured from biological materialbiooxidationBiological or biochemical oxidation.biopathogenAny biological pathogenbiopatternA pattern of biomarkersbiopedturbation(geology, ecology) The mixing or disturbance of soil by living organisms, as opposed to disturbance of other media such as sediment or leaf litter.biophoton(biology, physics) A low-energy photon emitted from a biological source (but not by bioluminescence)biopoliticianA proponent of biopolitics.biopollutionpollution of a biological environmentbiopolymerization(biochemistry) Polymerization to form biopolymers.biopreparationAny medical preparation, pesticide etc., derived from a living organism or its productsbiopreservationThe use of natural or controlled microbiota or antimicrobials as a way of preserving food and extending its shelf life.bioproductionThe production of therapeutic drugs within living systems.biopropulsionBiological propulsion.bioprospectionSynonym of bioprospecting.bioprotectionbiological protectionbioproteinProtein produced by life, called by this name only when contrasted with synthetic protein produced in vitro.biopterinA coenzyme produced within the body, an oxidized degradation product of tetrahydrobiopterin. Defects in biopterin synthesis or regeneration can cause a form of hyperphenylalaninemia, and biopterin deficiency has been associated with dystonia and rabies.biopticon(historical) A form of eidoloscope, serving as both camera and projector.biopulverizationpulverization of a biological sample prior to analysis or an experimentbiopurificationbiological purification (typically of a water supply)biopyrrin(organic chemistry) An oxidative metabolite of bilirubin that is a marker of oxidative stressbioquantificationbiochemical quantificationbioquercetinA bioavailable form of quercetinbioradiationThe biological effects of radiationbioreactionA biological reaction.biorecognition(biology) biological recognition of specific chemical compounds, especially as part of the immune systembioreduction(biochemistry) biological / biochemical reductionbioregenerationThe regeneration of a biological system.bioregionA region defined by natural characteristics such as flora and fauna and topographic features such as watersheds.bioregionalisationAlternative form of bioregionalization.bioregionalizationThe specification of the bioregions of an areabioregulationAny biological process that regulates something.bioremediation(biochemistry) The use of biological organisms, usually microorganisms, to remove contaminants, especially from polluted water.bioreplicationThe artificial recreation of biological structures and their use to replicate biological functions.bioresmethrinA synthetic pyrethroid pesticide.bioresorptionbiochemical or biophysical resorptionbioresuspensionResuspension of particulate matter by biological activity.bioretentionretention (removal) of groundwater contaminantsbiorevitalizationbiological revitalizationbiorientationThe orientation of chromosomes to opposite poles of the bipolar spindle before cell division.biorthogonalisationAlternative form of biorthogonalization.biorthogonalization(mathematics) Conversion to biorthogonal formbioscan(science fiction) A biological scan.biosedimentationThe sedimentation of organic material to form biosediment.biosegmentationThe segmentation of a biological imagebioselectionbiological selectionbioseparation(biochemistry) The separation of the products of a biochemical reaction without damaging the organisms concernedbiosequestrationThe gathering and storing of some substance within living tissue such that it is sequestered from the environment (for some duration, which may vary).biosestonThe living particulate matter suspended in bodies of water such as lakes and seas.biosilicification(biochemistry) biological or biochemical silicificationbiosilificationMisspelling of biosilicification.biosimulation(biology, computing) The computer simulation of a biological systembiosolarizationThe fumigation of soil by means of compost and solarizationbiosonA biological son.biosorptionSynonym of bioabsorption.biospecimenA specimen of biological material, such as urine, blood, tissue, cells, DNA, RNA, and protein, to be stored in a biorepository for future researchbiosphereanAlternative form of biospherian.biospherianAn inhabitant of a biosphere.biostabilisationAlternative form of biostabilization.biostabilizationbiological stabilizationbiostatisticianPerson making or doing research on biostatistics.biostimulation(biology) The stimulation of a system's existing bacteria such that they can have a remedial action.biostratificationstratification caused by biological processesbiosuspensionSuspension of particulate matter by biological activity.biotechnicianA technician who works in a biological or biochemical laboratorybiotin(biochemistry) A sulfur-containing member of the vitamin B complex, 5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid, found in liver, egg yolk, milk, and yeast, essential to the activity of multiple enzyme systems.biotinylation(biochemistry) The attachment of a biotin residue to a biological macromolecule in order to label it.biotitizationConversion into biotite.biotoxinAny toxin produced by a living organismbiotransformation(biochemistry) The changes (both chemical and physical) that occur to a substance (especially a drug) by the actions of enzymes within an organism.biotransportationThe biological transportation (of materials around the body)biotron(biology) A chamber in which the effects of climate on organisms can be studiedbioturbation(geology) The mixing of soil or sediment by living organisms.bioturbidationMisspelling of bioturbation.bioutilizationThe utilization of biological resources, typically via biotechnologybiovalorizationThe conversion of waste biomass into valuable chemicals.biovermiculationvermiculation (pattern or wavy lines) of biological originbiovisualizationvisualization of biological systemsbiovolatilizationbiological volatilizationbioweaponAny weapon designed to be used in biological warfare.bioweaponizationThe weaponization of a biological organism or biochemical materialbiowomanA cisgender woman.bioxalomycinAny of a class of antibiotics produced by Streptomyces bacteria.biozonationArrangement or distribution into biozones.bipalmitoylationpalmitoylation with two palmitoyl groups, or at two locationsbipartisan(politics) Relating to, or supported by two groups, especially by two political parties.bipartitionSomething that is bipartitebipartization(mathematics) The removal of vertices from a graph in order to make it bipartitebiperidenAn antiparkinsonian agent of the anticholinergic type.biphonationThe voicing of two pitches at the same time.biphosphorylationphosphorylation involving two phosphate groupsbiphoton(quantum mechanics) A quantum-entangled state comprising two photons.bipolarization(politics) polarization into two opposing factionsbipolaron(chemistry) A doubly-charged polaronbiquaternion(algebra) Any of the numbers w+xi+yj+zk! where w, x, y, and z are complex numbers and the elements of {1, i, j, k} multiply as in the quaternion group.birchenMade from birch wood.birdbrain(colloquial) Someone who is not intelligent.birdeen(Ireland) A little bird.birdikin(dated, informal) A young bird.birdmanA man who works with birds.birdmenplural of birdmanbirdskinthe skin of a bird, detached from that bird, especially as prepared during study of the bird or for displaybirdwomanA woman who works with birds.birken(obsolete or dialectal, Scotland and Northern England) Made of birch; birchen.birlinn(Scotland, historical) A type of boat used especially in the Hebrides and West Highlands of Scotland in the Middle Ages.birotation(obsolete, organic chemistry, physical chemistry, biochemistry) Mutarotation.birthtownThe town where someone was bornbisalkylation(organic chemistry) Any reaction that introduces two alkyl groups into a moleculebiscotinA sweet kind of biscuit.bisdemethoxycurcuminA curcuminoid found in turmeric.bisectarianPertaining to sectarianism regarding exactly two sects.bisectionAn act of division into two parts, especially two equal parts.bisegmentationAn act of division into two segments, especially two equal ones (bisegments).bisexualizationThe act or process of bisexualizing.bishonenAn Asian aesthetic of young men whose beauty (and sex appeal) transcends the boundary of gender or sexual orientation, found in manga, etc.bishounenAlternative spelling of bishonen.bishydroxycoumarin(organic chemistry) Synonym of dicumarol.bisimulation(logic) an equivalence relation between state transition systems, associating systems which behave in the same way in the sense that one system simulates the other and vice-versabisintercalation(physical chemistry) intercalation using two links, or a double bondbismuthatian(mineralogy) Containing bismuthate anions.bismuthian(mineralogy) Containing pentavalent bismuth.bismuthoan(mineralogy) Containing trivalent bismuth.bisnorlignan(biochemistry) A dimeric norlignanbisociation(psychology) A blending of elements drawn from two previously unrelated patterns of thought into a new pattern.bisoliton(physics) A pairing of two solitonsbisonA large, wild bovid of the genus Bison.bisoxatin(pharmacology) A type of laxative.bisporphyrin(organic chemistry) Any compound containing two porphyrin linked by zinc or some other metalbisson(obsolete) Sandblind, purblind.bisulfitization(inorganic chemistry) Reaction with a bisulfitebitchenAlternative form of bitching.bitchinAlternative spelling of bitching.bitcoin(uncountable, computing, finance) A decentralized cryptocurrency using blockchain technology.bitistatin(biochemistry) A particular disintegrin.bitrotten(computing) Affected by bit rot.bitruncation(mathematics) An operation on a regular polytope in which every edge is lost and every face is reduced in size.bittenpast participle of bitebittermelonAlternative form of bitter melon.bitternSeveral bird species in the Botaurinae subfamily of the heron family Ardeidae.bitucarpin(organic chemistry) A pterocarpan isolated from Bituminaria bituminosa.bitumen(Australia, colloquial) Roads sealed with bitumen, as opposed to dirt roads.bituminisationAlternative form of bituminization.bituminizationThe process of bituminizing.bivalirudin(pharmacology) A specific and reversible direct thrombin inhibitor, a synthetic congener of hirudin.bivalvianOf or relating to bivalves.bivoltinDated form of bivoltine.bixafenA particular fungicide.bixin(organic chemistry) An apocarotenoid that is the active ingredient of annatto.bizelesin(biochemistry) One of the duocarmycins.bizen(UK dialects, Northern England, Scotland) Something serving as a warning or an example to be avoided.bizillionAlternative form of bazillion.blackbeanSynonym of blackball.blackchinAny of several species of fish with a black jaw, especiallyblacken(transitive, causative) To cause to be or become black.blackenizationThe process of making or becoming more black (i.e. of African descent) or more characteristic of black culture.blackgin(Australia, derogatory) An Aboriginal woman.blackman(nonstandard) Alternative form of black man.blackmenplural of blackmanblackskin(obsolete) Somebody with dark-coloured flesh.blacksplain(slang) Of a black person in a group with non-black people: to explain some concept which is very common in black culture while assuming the non-black members of the group do not understand.blacksploitationAlternative form of blaxploitation.blackthornA large shrub or small tree, Prunus spinosa, that is native to Europe, western Asia, and north Africa. It has a dark bark and bears thorns.blackwomenplural of blackwomanblainA skin swelling or sore; a blister; a blotch.blansimple past of blinblandation(obsolete) flatteryblandificationThe process of making something bland.blanken(ambitransitive) To make or become blankblargon(Internet) The jargon of the blogosphere.blasianAlternative letter-case form of Blasian.blastacidinMisspelling of blasticidin.blasticidin(medicine) Any of a class of antibiotics used to select transformed cells in genetic engineeringblasticinAlternative form of blasticidin.blastocidinAlternative form of blasticidin.blastomycinA sterile material, produced from cultures of the fungus Blastomyces, once used for intradermal testingblastulation(biology) The process of forming blastocoels and blastulas.blattarianAny insect of the family Blattidae (or of the order Blattodea)blatteration(obsolete, rare) blather; foolish talkblatteroon(obsolete) A senseless babbler or boaster.blaxploitation(film) A genre of exploitation films of the 1970s that starred black actors.blazen(transitive) To set ablazeblazon(heraldry) A verbal or written description of a coat of arms.bleaken(intransitive) To become bleakblebbistatin(biochemistry) A small-molecule inhibitor which is highly specific for non-muscle myosinbleen(philosophy) Of an object, blue when first observed before a specified time or green when first observed after that time.blenderizationThe liquefaction of food in a blender.bleocinA commercial form of bleomycinbleomycin(pharmacology) Any of a family of antineoplastic drug obtained from Streptomyces verticillus.blepharon(anatomy) eyelid.blighten(transitive) To affect or infect with blight; (by extension) to hinder or impede the growth or development of; stunt.blinA blintz or blini.blinden(transitive, rare) To make or render blind.blindman(archaic) A man who is blind.blissen(transitive) To make blissful or happy; fill with or impart bliss toblithen(transitive) To make glad or blithe; gladden.blivenpast participle of bliveblnInitialism of Brown lunation number.bloatationThe act of bloating.blockchainA shared record of past transactions in a distributed network, typically used for cryptocurrency.blogathon(blogging, neologism) A period or event during which one or more people publish a large number of blog posts, usually about a specific subject.blogification(rare) Conversion into the form of a weblog.blonanserinAn atypical antipsychotic for the treatment of schizophrenia.blonden(intransitive) To turn blondblondinA specialized type of material ropeway that incorporates a mechanism to raise and lower loads vertically from the suspended ropeway.blooden(transitive) To make bloody.bloodfinAphyocharax anisitsi, a South American characin with blood-red tail and fins.bloodhornOchrosia elliptica, an Australian tree.bloodshottenObsolete form of bloodshot.bloodstainA spot or area that has been discolored by having absorbed blood.bloodynounAlternative form of bloody noun (“bullfrog”).blossomcrownAny hummingbird in the genus AnthocephalablousonA garment drawn tight at the waist with blousing hanging over the waistband; a blouse jacket.bloviation(US, possibly originally Ohio, informal) A boastful or pompous manner of speaking or writing; a lengthy discourse delivered in that manner.blowdown(chemical engineering) The removal of liquid and solid hydrocarbons from a refinery vessel by the use of pressure.blowen(obsolete, vulgar) A prostitute; a courtesan.blowgunA hollow tube through which a dart or similar missile may be blown.blowhornA device, often funnel-shaped and sometimes hand-held, which is used to emit loud sounds or amplified human speech.blownDistended, swollen, or inflated.blubberbrain(slang, derogatory, rare) A stupid person.bludgeonA short, heavy club, often of wood, which is thicker or loaded at one end.bludgeonman(uncommon) A person armed with a bludgeon.bluefinbluefin tuna, any of a number of types of tuna characterised by their blue fins.bluejohnAlternative form of blue John (“mineral”).bluen(ergative) To make or become blue.bluescreen(intransitive, computing) To experience a stop error and shut down to prevent damage to system hardware.bluesificationThe process or result of bluesifying the music.bluesmana male blues musicianblueswomana female blues musicianblumpkin(vulgar, slang) The act of performing fellatio whilst the recipient is defecating on the toilet.blunten(rare) To make blunt (take the edge off)blurbificationThe act or process of distillation into a blurb or sound bite.blurtation(informal) A sudden utterance.blustrification(rare, dated, colloquial) Boisterous celebration, carousal, or noisy outpouring.boardenMade of boards or wood; woodenboardmanA person who wears a sandwich board.boation(obsolete, uncountable) Bellowing.boatmanA sailor on a small vessel (boat), particularly its captain.boatmenplural of boatmanboatpersonA boatman or boatwoman.boatsmanSynonym of boatman.boatsmenplural of boatsmanboatswainA person aboard ship who is in charge of various maritime affairs.boatswomanAlternative form of boatwoman.boatwomanA woman who manages a boat.bobbinA spool or cylinder around which wire is coiled.bobbypinAlternative form of bobby pin.bobchin(obsolete) A fool.bobization(historical, music) A 17th-century system of singing.bobkittenA young bobcat.bobrunA track for a bobsleigh.bocedization(historical, music) A Flemish system of singing, similar to sol-fa, but employing the syllables "bo, ce, di, ga, lo, ma, ni".boderationPronunciation spelling of botheration.bodhranA type of frame drum used in Irish music struck traditionally with an animal bone, or in modern times, with a piece of wood.bodikinAlternative form of bodkin.bodkinA small sharp pointed tool for making holes in cloth or leather.bodycon(fashion, of women's clothing) Figure-hugging, skintight, form-fitting.bodymanAlternative form of body man.bodyplanAlternative form of body plan.bodyworn(of a medical device or police camera) Worn on the body.boerboon(South Africa) Any of various flowering plants of the genus Schotia.boffin(Australia, New Zealand, British, Ireland, informal) An engineer or scientist, especially one engaged in technological or military research.bogan(Australia, New Zealand, slang, derogatory stereotype) An unsophisticated person from a working class background.bogbeanbuckbean (Menyanthes trifoliata)bogdown(informal, rare) A situation in which something becomes stuck or bogged down.bogeymanA menacing, ghost-like monster in children's stories.bogeymenplural of bogeymanbogeyperson(sometimes humorous) A bogeyman of any gender.bogeywomanA female bogeyman.bogiemanThe operator of a bogie or hand-truck.bogolanA hand-made Malian cotton fabric, traditionally dyed with fermented mud.bogolon(physics) A collective excitation, in a Bose-Einstein condensate, that has some characteristics of a particle.bogon(computing, slang) The imaginary elementary particle of bogosity; the anti-particle to the cluon.bogymanAlternative spelling of bogeyman.bogymenplural of bogymanbogywoman(rare) Alternative form of bogeywoman.bohemianA person, especially an artist or writer, who lives an unconventional or nonconformist lifestyle.bohereenAlternative form of boreen.bohireenAlternative form of boreen.boikin(chiefly in the 16 ᵗʰ century) Archaic spelling of boykin.boildownThe process of boiling something down; concentration by means of evaporation.boilermanA person who tends the fire for a steam engine.boisman(Caribbean) A stickfighter.bokkenA wooden katana, used as a training sword.bokononAlternative form of bokono.bolden(transitive, obsolete except UK, dialectal) Synonym of embolden (“To render (someone) bolder or more courageous”).bolection(architecture) A moulding that covers a joint, especially between joints between surfaces on different levels.boleen(rare) Alternative form of boline.bolidophyceanAny alga of the class BolidophyceaebolinAlternative form of bowline (“type of knot”).bolinopsin(biochemistry) A photoprotein present in the ctenophore Bolinopsis infundibulumbollenAlternative form of boln (“swollen”).boln(obsolete) Swollen; puffed out.boloceroidarianAny sea anemone of the infraorder BoloceroidariabolonA traditional harp played in Mali.bolson(chiefly southwestern US) A relatively flat and arid valley that is surrounded by mountains and that drains into a central basin.bombardman(obsolete) Someone who carried liquor or beer in a can or bombard.bombardon(music) A brass instrument, the bass version of the tuba.bombasinAlternative spelling of bombazine.bombazinAlternative spelling of bombazine.bombesin(biochemistry) A neural oligopeptide that stimulates the release of gastrinbombilationA humming or booming sound.bombinationthe act or sound of humming or buzzing; hum, buzzbombininAny of a group of antimicrobial peptides produced by toads of the genus Bombinabombyxin(biochemistry) A brain peptide, related to insulin, responsible for activation of prothoracic glands in insectsbonaconAlternative spelling of bonnacon.bonbonA sweet, especially a small chocolate-covered candy.bonderization(metallurgy) The process of bonderizing.bondmanA man who is bound in servitude.bondmenplural of bondmanbondsmaidenAlternative form of bondmaiden.bondsmenplural of bondsmanbondsperson(uncommon) A bondsman or bondswoman.bondswomanThe female equivalent of a bondsman.bondwomanA woman who is bound in servitude; a female slave.bondwomenplural of bondwomanboneen(Ireland) A pigletbonellin(biochemistry) A green pigment found in Bonellia viridis with IUPAC name 3-[18-(2-carboxyethyl)-3,3,7,12,17-pentamethyl-22,23-dihydro-2H-porphyrin-2-yl]propanoic acid.bonificationThe paying of a bonus (especially in relation to taxes).bonnacon(mythology) A mythical bovine creature with huge curved horns that produces burning dung.boogermanAlternative form of bogeyman.boogeymanAlternative form of bogeyman.boogeymenplural of boogeymanboogiemanAlternative spelling of bogeyman.boogymanAlternative spelling of bogeyman.bookbinAlternative form of book bin.bookmanA studious or learned man; a scholar; a student of books.booktokenAlternative form of book token.booleanAlternative letter-case form of Boolean.boomerhon(4chan /lgbt/ slang, usually derogatory) A trans woman who looks like an old man.boomkinAlternative form of bumkin.boomtownAlternative form of boom town.boonA good thing; a thing to be thankful for or to appreciate duly.boothmanA projectionist at a movie theater.bootikinA covering for the foot or hand, worn as a cure for the gout.bootscan(computing) An antivirus scan that takes place before the operating system has loaded.boratian(mineralogy) Containing pentavalent borate BO₄⁵⁻ anions.borationtreatment or reaction with a borate or other boron compoundboratoan(mineralogy) Containing trivalent borate BO₃³⁻ anions.bordman(historical) A bordarbordonAlternative spelling of bourdon (“pilgrim's staff”).borealization(ecology) Conversion to the ecology of a typical northern coniferous forestboreen(Ireland) A narrow, frequently unpaved, rural road in Ireland, often characterised by a ridge of grass growing in the middle.borelian(mathematics) Of or pertaining to a Borel set.boreoeutherianAny placental mammal of the clade, magnorder, or superorder Boreoeutheria.borepin(organic chemistry) A seven-membered unsaturated ring which includes one tricoordinate boron atom.borian(mineralogy) Containing boron.borkenpast participle of bork (“to break”).bornpast participle of bear; given birth to.borocationA cation with a positive charge on a boron atom.boroglycerinA poorly-characterised compound of glycerol and boric acid used as an antisepticboromycinA bacteriocidal polyether-macrolide antibiotic.boronThe chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder.boronation(organic chemistry) reaction with a boronic acid or a boronateboronolectinAny of several derivatives of boronic acid that mimic the action of lectinsborrelian(bacteriology) Relating to, or caused by borreliaborylation(organic chemistry) Any reaction that introduces a boryl group into a molecule.bosentan(pharmacology) A dual endothelin receptor antagonist important in the treatment of pulmonary artery hypertension.boskin(Northern England) a partition in a cowshed to separate cattlebosnAlternative form of bosun.boson(particle physics) A particle with totally symmetric composite quantum states, which exempts them from the Pauli exclusion principle, and that hence obeys Bose-Einstein statistics. They have integer spin. Among them are many elementary particles, and some (gauge bosons) are known to carry the fundamental forces.bosonification(mathematics, physics) Synonym of bosonization.bosonisationAlternative spelling of bosonization.bosonizationThe act, process or result of bosonizing.bosselation(pathology) The presence of bosses on the skinbossellationAlternative form of bosselation.bossman(often mildly derogatory) A male boss or employer.bostin(West Midlands) great, excellentbostoon(Ireland) A foolish person.bosunAlternative form of boatswain (“warrant or petty officer on board a naval ship”).botcininAny of a group of botcinolidesbotherationA mild expression of annoyance or exasperation: bother!bothriocephalideanAny tapeworm of the order BothriocephalideabothrojaracinA polypeptide thrombin inhibitor in the venom of a lancehead snake (Bothrops jararaca).bothrombin(biochemistry) A thrombin present in the venom of the pit viper Bothrops jararaca.bothropasin(biochemistry) An endopeptidase present in the venom of Bothrops jararacabothyman(historical) A laborer living in a bothy.botkinAlternative form of bodkin.botralin(organic chemistry) A polycyclic phenol that is a fungal metabolitebotrocetin(biochemistry) A coagglutinin, present in snake venom, that causes platelet aggregationbotryogen(mineralogy) A hydrous magnesium sulfate mineral.botrytisationAlternative form of botrytization.botrytizationThe process of botrytizing.bottlemanA man who aids a boxer by passing him a bottle of water to drink during a fight.bottomspinSynonym of backspin.bottonAlternative form of bottom.bottromycinA macrocyclic peptide with antibiotic activity, first isolated from Streptomyces bottropensis.botulinAn extremely potent nerve toxin produced by the anaerobic bacteria Clostridium botulinum. Ingesting botulin results in the serious medical condition of botulism.botulotoxinbotulinum toxinboucanAlternative spelling of buccan.boudinA kind of blood sausage in French, Belgian, Luxembourgish and related cuisines.boughten(rare, archaic or dialectal, West Country, Cornwall, Canada, US) Having been purchased or bought (rather than homemade), storebought.bouillionAlternative spelling of bouillon.bouillonA clear seasoned broth made by simmering usually light meat, such as beef or chicken.bouleuterion(architecture, historical) A building in Ancient Greece, housing the boule (council of citizens), where public affairs were discussed.boultinAlternative form of boultel.boun(ambitransitive) To make or get ready; prepare.bouncedown(Australian rules football) The throwing of the ball down onto the ground by the umpire, after which the ruckmen from opposing teams battle for control of the ball.boundationThe state or quality of being bound or obliged; obligation.bounden(transitive, archaic, rare) past participle of bind.bouquetinAlpine ibex (Capra ibex)bourbonA whiskey distilled in the United States from a mixture of grains in which at least 51% is corn, aged in charred, new oak barrels.bourdon(music, archaic) The burden or bass of a melody.bourgeoisification(humorous) The process of adopting or the condition of adopting the characteristics of the bourgeoisie; embourgeoisement.bourgeonObsolete form of burgeon.bourguignonBeef bourguignon, or a similar dish replacing beef with some other ingredient.bournAlternative form of bourne (“small stream or brook”).boustrophedon(epigraphy, uncommon) Synonym of boustrophedonic (“written as a boustrophedon”).boutonA bud-like swelling, especially one at the end of an axon.bouvardin(organic chemistry) A cyclic hexapeptide, isolated from Bouvardia ternifolia, that has anticancer propertiesbouyon(music, Dominica) A genre of popular music from Dominica.bovicinAny of a group of bacteriocins produced by Streptococcus bovisbovinization(genetics) The process or the result of bovinizing.bovinocidin(organic chemistry) The neurotoxin 3-nitropropionic acidbovovaccination(historical) The vaccination of cattle with bovovaccine to prevent tuberculosis.bowdlerisationThe action or instance of bowdlerising; the omission or removal of material considered vulgar or indecent.bowdlerizationThe action or instance of bowdlerizing; the omission or removal of material considered vulgar or indecent.bowerwoman(historical) A female servant who waits upon a lady in her bedroom.bowfinAny of the two extant elongated fish of the genus Amia, native to North America, previously thought to be the same species.bowman(archery) A man who uses a bow; an archer.bowmenplural of bowmanbowsman(nautical) A sailor who works in the bow of a vessel.bowssen(obsolete, Cornwall) To dunk or immerse (into water, for remedial purposes).bowswomanA female archer.bowwomanA female archer.boxenMade of boxwood.boxmanA casino employee who supervises the craps table.boxthornAny plant of the genus Lycium.boykin(now rare, chiefly informal, endearing) A little boy.boyzilian(slang) A cosmetic treatment involving complete removal of a man's pubic hair by waxing.bozon(humorous) A notional particle of stupidity.brachiation(zoology) Movement by swinging the arms from one hold to the next.brachiolarianRelating to brachiolariabrachycephalizationModification to a brachycephalic formbrachyceranAny fly of the suborder Brachycera.brachylophosaurinAny hadrosaur of the tribe Brachylophosaurini.brachypteranAlternative form of brachypterous.brachystaphylinAlternative form of brachystaphyline.brachyuranOf or pertaining to crabs.bracken(uncountable, countable) Any of several coarse ferns, of the genus Pteridium, that form dense thickets; often poisonous to livestock.bradavidin(biochemistry) Any of a group of homotetrameric biotin-binding proteins found in bacteria of the genus BradyrhizobiumbradoonA type of snaffle bit, with small rings, usually used on a double bridle in conjunction with a curb bit.bradykinin(biochemistry) A compound released in the blood in some circumstances which causes contraction of smooth muscle and dilation of blood vessels. It is a peptide with nine amino-acid residues.bradykininogenSynonym of kallidin.bradyon(physics) A tardyon.braffin(UK, regional) A horse collar, especially as used in girning.braggadocian(obsolete) Someone given to empty boasting; a braggart.brahmanAlternative form of brahmin (member of the Hindu priestly class).brahminA member of the Hindu priestly caste, one of the four varnas or social groups based on occupation in ancient Hindu society.brain(informal) Mind.brainchildrenplural of brainchildbrainpan(now chiefly Canada, US, colloquial) The braincase; the skull.brainscan(medicine) A scan of the brain, for example using computed tomography.brakeman(US, rail transport) A railroad employee responsible for a train's brakes, couplings etc.brakemenplural of brakemanbrakesmanSomeone who operates the winch in a mine.brakesmenplural of brakesmanbrakevanAlternative form of brake van.bran(transitive) To clean (metal) using a branner.branchiuranAny fish louse of the subclass BranchiurabrandificationThe permeation of commercial brands into other aspects of living.brandiron(obsolete) A type of kitchen utensil, especially a gridiron.brandlinAlternative form of branlin.brandwagon(marketing, informal) A trend or craze relating to a marketed brand.branlinA small red worm or larva, used as bait for fish.branniganbinge, bender, booze-up (where alcohol is drunk)branon(physics) A hypothetical weakly interacting massive particle of dark matter.brartemicinA trehalose-derived metabolite of an actinomycete that is an inhibitor of cancer cell invasionbrasenArchaic form of brazen.brasileinAlternative form of brazilein.brasilinAlternative form of brazilin.brassen(ambitransitive) To make like or become like brass, particularly in fortitude or colourbrassicaceanAny plant of the family Brassicaceaebrassilexin(organic chemistry) The phytoalexin 4H-[1,2]thiazolo[5,4-b]indole present in Brassica junceabrassin(biochemistry) brassinosteroidbrassinin(organic chemistry) The indole phytoalexin methyl (1H-indol-3-ylmethyl)carbamodithioate present in Chinese cabbage (Brassica campestris)braunification(soil science) Alternative form of brunification.braven(ambitransitive) To make or become bravebrawnStrong muscles or lean flesh, especially of the arm, leg or thumb.brazen(figuratively) Brass-like in appearance or character; bright, ruddy, hard.brazileinA neoflavanoid that is the main colouring matter in the red dye derived from brazilwood.brazilianisationAlternative letter-case form of Brazilianization.brazilianizationAlternative letter-case form of Brazilianization.brazilinA red pigment obtained from brazilwood.brazillion(slang, hyperbolic) An unspecified large number (of).brazzein(organic chemistry) A sweet-tasting protein extracted from the West African fruit of Pentadiplandra brazzeana.breadbinAlternative spelling of bread bin.breadcornCorn or grain from which bread is made.breaden(archaic) Made of bread (in the context of the Eucharist).breadmanA man who delivers bread.breadthen(transitive) To increase in breadth.breakdown(countable) A failure, particularly one which is mechanical in nature.breakeven(nonstandard) Alternative spelling of break even.breakmanMisspelling of brakeman.breakopenIn electric arc testing, a material response evidenced by the formation of one or more holes in the material which may allow thermal energy to pass through the material.breastpinAn ornamental pin attached to clothing in a person's upper chest area; a brooch.breatharianOne who lives without food, subsisting instead on prana or sunlight.brecciation(geology) The formation of breccia, such as by external shock.bredrenAlternative spelling of bredrin.bredrin(Rastafari) A close male friend, family member, or comrade.breechen(historical) A rope used to limit the recoil of a cannon on a shipbreezen(rare, nonstandard, intransitive) To grow or develop into a breeze; be or become breezybrefaldinMisspelling of brefeldin.brefeldin(medicine) Any of several lactone antibiotics produced by fungibrehon(Ireland, historical) A judge or lawgiver in ancient Celtic Ireland.brelanA French card game: gleek.bren(obsolete, transitive) To burn (to set ablaze).brenzcatechin(organic chemistry) catecholbretheren(obsolete) plural of brother; obsolete form of brethren.brethren(poetic) kinsmenbrevetoxin(organic chemistry, toxicology) Any of a class of complex polycyclic polyethers that cause neurotoxic shellfish poisoningbreviationabbreviationbrevicominAlternative spelling of brevicomine.brevipen(obsolete) A brevipennate (short-winged) bird, in a former proposed classification, BrevipennesbrevitoxinMisspelling of brevetoxin.brevotoxinAlternative form of brevetoxin.brezilinArchaic form of brazilin.brian(dialectal, Northern England) To keep fire at the mouth of (as of an oven), to give light or to preserve heat.briarellin(biochemistry) Any of a class of eunicellin diterpenes found in Briareum.brickellin(biochemistry) An O-methylated flavonol found in Brickellia veronicifolia.bricken(archaic) Made of brick.brickkilnA kiln in which bricks are baked.bridemanAlternative form of bridesman.bridesmaidenAn unmarried bridesmaid.bridesmanA male friend or companion of the bridegroom, having various ceremonial duties at a wedding.bridesmatronA married bridesmaid.bridesmenplural of bridesmanbridewain(historical, archaic or dialectal) A cart or waggon, loaded with household goods, conveyed from a bride's house to her new home; (by extension) the bridal gifts transported upon such a wain.bridgemanA worker who operates a moving bridge.bridonAlternative form of bridoon.bridoonA type of snaffle bit, with small rings, usually used on a double bridle in conjunction with a curb bit.briefen(ambitransitive) To make or become briefbriefman(law, dated) Someone who makes a brief.brighten(transitive) To make bright or brighter in color.brilacidin(medicine) A particular host-defence-protein-mimetic antibioticbrimborion(obsolete) A useless or worthless object.brinOne of the radiating sticks of a fan. The outermost are larger and longer, and are called panaches.bringdownA disappointment; a letdown.brinkmanOne who advocates for brinkmanship.brinksmanOne who engages in brinksmanship.brisken(transitive) To become, or make, brisk; to hasten.britchen(equestrianism) Alternative form of breeching (“component of horse harness or tack, to hold back a vehicle”).brnAbbreviation of brown.broadbeanAlternative form of broad bean.broaden(transitive) To make broad or broader.broadhorn(nautical) Synonym of flatboat.broadsman(UK, slang) A cardsharp.broadswordsman(rare) A person who is skillful in wielding a broadsword.brobdingnagianAlternative letter-case form of Brobdingnagian.brocon(Japanese fiction, uncountable) Strong attachment or attraction to one's own brother.brodekinAlternative form of brodequin.brodequin(obsolete) A buskin or half-boot.brodiosaponinA particular steroid glycoside.brodkinAlternative form of brodequin.brodown(slang) A gathering featuring and/or appealing primarily to men.broganA heavy working shoe; a brogue.brohemian(slang) A bro who has adopted or affects a Bohemian lifestyle.broilermanA man whose line of work is raising broiler chickens.brokedown(Canada, US, informal) Broken; not working properly.brokenpast participle of breakbromatian(mineralogy) Containing bromate anions.bromelain(biochemistry) Either of two proteolytic enzymes, found in pineapples, that are used as meat tenderizers.bromelein(biochemistry) A proteolytic enzyme found in pineapplesbromeligenAlternative form of bromeligenous.bromelinAlternative form of bromelein.bromeosinA fluorescent dye produced by the reaction of bromine with fluorescein.bromethalinA particular rodenticide.bromian(mineralogy) Containing bromine.brominArchaic form of bromine.bromination(chemistry) Any reaction which introduces a bromine atom into a compound.bromizationThe process of bromizing.bromoacetylation(organic chemistry) Reaction with bromoacetic acid or one of its derivativesbromoageliferin(organic chemistry) The pyrrole N-[[(4R,5R,6S)-2-amino-4-(2-amino-1H-imidazol-5-yl)-6-[[(4-bromo-1H-pyrrole-2-carbonyl)amino]methyl]-4,5,6,7-tetrahydro-1H-benzimidazol-5-yl]methyl]-4,5-dibromo-1H-pyrrole-2-carboxamide, that is a secondary metabolite of the marine sponge Agelas coniferabromociclenAn antiparasitic drug.bromocriptinAlternative form of bromocriptine.bromocyancyanogen bromidebromocyanogencyanogen bromidebromocyclization(organic chemistry) Any reaction in which bromination is accompanied by cyclizationbromodeboronation(organic chemistry) A combination of a bromination and a deboronation reactionbromodomain(biology) A protein domain that recognises acetylated lysine residues such as those on the N-terminal tails of histones, often a prerequisite for protein-histone association and chromatin remodeling.bromoetherification(organic chemistry) Any reaction in which bromination is accompanied by etherificationbromoformin(organic chemistry, medicine) A bromomethylate of hexamethylene diamine, once used as a sedativebromogelatin(photography) A process for preparing dry plates with an emulsion of bromides and silver nitrate in gelatin.bromohydrin(organic chemistry) Any halohydrin in which the halogen is bromine.bromoisatin(organic chemistry) Any bromo derivative of isatinbromoporphyrin(organic chemistry) A bromine derivative of porphyrin.bromosulfalein(organic chemistry) Synonym of bromsulphthalein.bromosulfophthaleinA dye used in various medical tests of liver function. Abbreviated to BSP.bromosulfthaleinAlternative spelling of bromsulphthalein.bromotetrahydrofuran(organic chemistry) Any bromo derivative of tetrahydrofuranbromotrifluoromethylation(organic chemistry) Any reaction that adds a bromine atom and a trifluoromethyl group across a double bondbrompicrin(organic chemistry) A pungent colourless explosive liquid, CNO₂Br₃.bromsulfophthaleinAlternative form of bromsulphthalein.bromsulfthaleinAlternative form of bromsulphthalein.bromsulphaleinAlternative form of bromsulphthalein.bromsulphthaleinA dye used in liver function tests.bronchiolarizationAlternative form of bronchiolization.bronchiolizationThe formation of bronchioles.bronchoaspirationThe aspiration of oropharyngeal or gastric contents into the bronchibronchoconstriction(medicine) A narrowing of the air passages through the bronchi of the lungsbronchodilatationbronchodilationbronchodilation(medicine) An expansion of the air passages through the bronchi of the lungsbronchoobstructionThe obstruction of the airways in the lungs.bronchoprotection(pathology) protection against bronchoconstrictionbronchoprovocationDeliberate provocation of the airways with a chemical agent, used in medical testsbronchorelaxationrelaxation (dilation) of the airwaysbronchosecretionbronchial secretionbronchostimulationstimulation of the bronchibronzen(ambitransitive, rare) To make or become bronzebroodstrainA strain of animals from the same broodbroomcorna variety of grass of the species Sorghum vulgare.broon(Geordie, Scotland) The colour brown.brotherman(African-American Vernacular, mostly as a term of address used for a friend or stranger) A man.broughten(nonstandard, archaic, rare, dialectal) Having been brought.browbeatenpast participle of browbeatbrowman(mining, historical) The worker in charge of the cages at the pithead.brown(countable and uncountable) A colour like that of chocolate or coffee.brownianAlternative letter-case form of Brownian.brownificationBrowning; especially the browning of lakes and streams due to increased dissolved humic material.brownskinA person with brown-colored skin.bruceantin(organic chemistry, medicine) A triterpene quassinoid antineoplastic antibiotic present in Brucea antidysentericabrucebactinA catecholic siderophore produced by Brucella bacteriabrucellergenA protein nucleate fraction of Brucella cells used in testing for infection.brucellerginA protein nucleate obtained from Brucella species and used in the diagnosis of brucellosis.brucellinAn extract (mostly of proteins) of Brucella used in the diagnosis of brucellosisbruchin(organic chemistry) Any of a class of lipids, that are esters of long-chain diols, isolated from the pea weevil (Bruchus pisorum); they induce neoplasms in pea plantsbrucinArchaic form of brucine.brucipain(biochemistry) A trypanosomal proteasebruffinA combination of a brioche and a muffin.bruinA folk name for a bear, especially the brown bear, Ursus arctos.brumation(biology) A lethargic state that some ectothermic animals, such as many reptiles, assume during cold conditions. Partly analogous to hibernation, but physiological differences include that brumation does not depend on stored fat, but rather on reduced metabolic activity.bruncheon(humorous) Synonym of brunch (“meal eaten between breakfast and lunch times”).brunification(soil science) A form of pedogenesis where iron released from minerals produces a reddish or brownish soil.brunionA hybrid of a plum and a peach.brushmanA man employed to clean with a brush.brussen(UK, dialect, obsolete, Lincolnshire, Yorkshire) burstbrutalisationAlternative form of brutalization.brutalitarianbrutal and totalitarianbrutalization(uncountable) The act or process of making brutalbruxationSynonym of bruxism.bryalean(botany) Of or pertaining to mosses of the subclass Bryales.bryconinAny fish of the genus Brycon or the family Bryconidae.bryodin(biochemistry) A glycoprotein present in the bryony Bryonia dioicabryonin(archaic, organic chemistry) An emetic substance obtained from bryony root.bryophilinAlternative form of bryophillin.bryophillin(organic chemistry) Any of a group of bufadienolides present in plants of the genus BryophyllumbryopsidaleanAny green alga of the order Bryopsidales.bryostatin(medicine) Any of a family of biologically active macrolide lactones derived from the bryozoan Bugula neritina.bryotoxinAny of a group of toxins found in organisms of genus Bryophyllum.bryozanMisspelling of bryozoan.bryozoan(zoology) A member of the phylum Bryozoa of aquatic, usually colonial invertebrates.bryozoonA polyzoon; a tiny animal that forms compound colonies.bubblin(Geordie) Crying, weeping, action of the verb to bubble.bucandin(organic chemistry) A neurotoxin in the venom of the krait Bungarus candidusbuccalization(phonetics) The process of a speech sound becoming buccal.buccanA framework or grill upon which meat is laid to dry, or to be roasted.buccoversion(dentistry) The displacement of a tooth from the normal line of occlusion toward the cheekbucetinA pharmaceutical drug that acts as an analgesic and antipyretic, withdrawn in the 1980s due to renal toxicity.bucheronA goat's-milk cheese from the Loire Valley in France.buckbeanA plant of species Menyanthes trifoliata, with racemes of white or reddish flowers and intensely bitter leaves, sometimes used in medicine.buckeen(Ireland, historical) a poor young man of the lower Anglo-Irish gentry who aspires to the habits and dress of the wealthy.bucketizationThe process of bucketizing.buckhornA horn of a buck.buckskinThe skin of a male deer, a buck.buckthornAny of several, often thorny shrubs or small trees, especiallybuckwagon(South Africa) A strong wagon with a frame over the wheels used for hauling goods.buckyonion(chemistry) A concentric multishell fullerene structure.bufagenin(organic chemistry) Any of a class of cardiotonic bufadienolide steroids secreted by toads of the genus Bufo.bufagin(organic chemistry) Any of a class of toxic steroids found in bufotoxin.bufalina particular bufadienolide.buffin(obsolete) A sort of coarse material, of unknown manufacture.buffoonOne who performs in a silly or ridiculous fashion; a clown or fool.bufogeninA particular enzyme inhibitor derived from a toad toxin.buforinAny of a class of antimicrobial peptidesbuformin(pharmacology) An antidiabetic drug of the biguanide class.bufotalin(organic chemistry) A cardiotoxic bufanolide steroid secreted by the common European toad (Bufo bufo) and other related toads such as Bufo melanostictus.bufoteninAlternative spelling of bufotenine.bufotoxin(organic chemistry) Any of a family of toxic substances found in toads, other amphibians, and some plants and mushrooms.bufrolinA mast cell stabilizer drug.buganhobgoblin, evil spiritbuggermanAlternative form of bogeyman.buggymanThe male driver of a buggy.bugman(Internet slang, derogatory) A liberal, seen as consumerist and conformist.builddownA systematic, gradual reduction in the number of something (especially nuclear weapons), normally by destroying more than are built.builtinAlternative form of built-in.buissonA fruit tree trained on a low stem, the branches closely pruned.bukkehornAn ancient Norwegian musical instrument, made from the horn of a ram or goat, traditionally used by cowherds.bulchin(obsolete) A little bull; a bull calf.bulgecinAny of a group of lactamase inhibitors consisting of an acetylglucosamine unit linked to bulgecininebulinA land snail of the family Enidae.bulken(intransitive) To put on bulk; become bulkybullatacin(organic chemistry) An acetogenin present in some fruits of the Annonaceae familybullatanocin(organic chemistry) The acetogenin (2S)-4-[(2R)-9-[(5S)-5-[(4R)-1,4-dihydroxy-4-[(2R,5R)-5-[(1S)-1-hydroxyundecyl]oxolan-2-yl]butyl]oxolan-2-yl]-2-hydroxynonyl]-2-methyl-2H-furan-5-onebullation(medicine) The formation of bullae or blisters.bullaunA natural depression in a stone, often filled with water and sometimes pebbles.bulletinA short report, especially one released through official channels to be immediately broadcast or publicized.bullhorn(chiefly US) A megaphone which electronically amplifies a person’s natural voice.bullionA bulk quantity of precious metal, usually gold or silver, assessed by weight and typically cast as ingots.bullition(obsolete) The action of boiling.bullkinAlternative form of bulchin.bullpenAn enclosed area used to hold bulls.bullrunAlternative form of bull run.bullyman(Australian Aboriginal, slang, derogatory) A police officer.bumboatmanA man who pilots a bumboat.bumboatwomanA woman who pilots a bumboat.bumkin(nautical) A short outrigger projecting from the side of the aft part of a square-rigged sailing ship, used as an attachment point for a rope (brace) used to set a yard-arm at different angles to a mast so to allow the ship to sail at different angles to the wind.bumpkinA clumsy, unsophisticated person; a yokel.bunSenses referring to baked goods.bunazosin(pharmacology) An alpha 1 antagonist drug developed to treat benign prostatic hyperplasia (BPH).bundleman(naval slang, historical) A married member of the navy.bungarotoxinAny of a number of bacterial toxins derived from the venom of kraits, including Bungarus multicinctus.bungaroxinMisspelling of bungarotoxin.bunion(pathology) A bump or bulge on the first joint of the big toe caused by the swelling of a sac of fluid under the skin.bunkerman(historical) A man in charge of an industrial coal storage bunker.bunnArchaic form of bun (“sweetened bread roll”).bunnianObsolete form of bunion.buntonA wooden cross-stay in a shaft; a support for shaft slides.bunyonAlternative spelling of bunion.bupivacainAlternative form of bupivacaine.buprenorphinAlternative form of buprenorphine.buprestidan(zoology, chiefly in the plural, dated) Any of a number of jewel beetles of the family Buprestidae, usually with shiny metallic colours.buprofezin(organic chemistry) The insecticide (2Z)-3-isopropyl-2-[(2-methyl-2-propanyl)imino]-5-phenyl-1,3,5-thiadiazinan-4-onebupropion(pharmacology) An antidepressant drug which is also given to relieve the symptoms of nicotine withdrawal.buproprionMisspelling of bupropion.buquineranA dimethoxyquinazoline derivative.burakuminA member of a Japanese social minority group, descendants of feudal-era outcasts.buranAlternative form of borani.burdonA pilgrim's staff.bureaucratisationAlternative spelling of bureaucratization.bureaucratizationThe formation of, or the conversion of something into, a bureaucracy.burgeon(intransitive) To grow or expand.burian(Now chiefly dialectal, Scotland) A tomb; sepulchre.burinA chisel with a sharp point, used for engraving; a graver.burinationA mark made (as if) with a burinburion(archaic) A red-breasted house sparrow of California (Haemorhous mexicanus, formerly Carpodacus mexicanus, Carpodacus frontalis).burkavidin(biochemistry) A biotin-binding protein present in BurkholderiaburnA physical injury caused by heat, cold, electricity, radiation or caustic chemicals.burndownThe use of a herbicide to destroy existing foliage.burnination(informal, humorous) An instance of intense burning; conflagration.buron(often italicized) A traditional Auvergne shepherd's hut with a thatched roof, or a rustic mountain chalet in the same style.burrowstown(Scotland, obsolete) A town that is a burgh.bursicon(biochemistry) A heterodimeric protein that is an insect hormone which mediates tanning in the cuticle of adult fliesbursten(now rare) past participle of burst.burthenArchaic form of burden.burton(archaic) An arrangement of blocks and pulleys, especially for tightening rigging on a ship.buscon(US, historical, mining) A prospector (someone who searches for ore).buserelin(pharmacology) A gonadotropin-releasing hormone agonist.bushelman(US, archaic, dialect) A tailor's assistant for repairing garments.bushelwoman(US, dialect) A tailor's female assistant for repairing garments.bushman(Australia) A man who lives in or has extensive experience of the Australian bush or outback.bushmenplural of bushmanbushpersonA bushman or bushwoman.bushwoman(Australia) A woman who lives or has lived in the Australian outback.bushwrenAn extinct species of small wrenlike almost flightless passerine bird endemic to New Zealand, Xenicus longipes.businessmanA man in business, one who works at a commercial institution.businessmenplural of businessmanbusinesspersonA person in business, or one who works at a commercial institution.businesswomanA woman involved in business.businesswomenplural of businesswomanbuskin(by extension) Tragic drama; tragedy.busman(dated) A person employed to drive a bus.bussdownRare spelling of bust down.bussein(organic chemistry, biochemistry) A tetranortriterpene found in the Indian mahogany tree.bustdownRare spelling of bust down.bustitution(rail transport, sometimes derogatory) The (temporary or permanent) substitution of a bus service for a rail (train, tram, etc) or trolleybus service.bustrophedonAlternative form of boustrophedon.busulfanA particular drug used in chemotherapy.busulphanAlternative form of busulfan.butadienylation(organic chemistry) reaction with butadienebutadonA Japanese dish consisting of a bowl of rice topped with braised or grilled pork; pork donburi.butafosfan(pharmacology) An organic phosphorus compound used as a drug in animals.butambenA local anesthetic, the ester of 4-aminobenzoic acid and butanol.butanoylation(organic chemistry) A reaction that introduces a butanoyl group into a moleculebutanserinA particular alpha-adrenergic blocking drug.butibufenA nonsteroidal anti-inflammatory drug.butilfeninA diagnostic reagent.butirosinAny of a family of aminoglycoside antibiotics produced by Bacillus circulans.butlerin(organic chemistry) An organic compound found in some lichens.butsudanA Buddhist shrine, comprising a wooden cabinet with doors that enclose and protect a religious icon.butterbeanAlternative spelling of butter bean.butterhornA light, soft flaky roll made with butter and often almonds.butterman(dated) A man who makes or sells butter.butterspoonA spoon used for butter.butterwoman(dated) A woman who makes or sells butter.button(clothing) A knob or disc that is passed through a loop or (buttonhole), serving as a fastener.buttondownAlternative spelling of button-down.buttonmanAlternative form of button man.buttonmenplural of buttonmanbuttyman(mining) Synonym of butty (“miner who works under contract”).butylation(organic chemistry) A reaction in which a butyl group is added to a moleculebutylfuran(organic chemistry) Any butyl derivative of a furanbutylparabenA paraben, the butyl ester of p-hydroxybenzoic acid, used as an antifungal preservative in cosmetics.butyration(organic chemistry) Reaction with butyric acid or a butyratebutyrin(organic chemistry) The triglyceride of butyric acid; the principal constituent of butterfatbutyrivibriocinAny of a class of bacteriocins produced by Butyrivibrio bacteria.butyroin(organic chemistry) The compound 5-hydroxy-4-octanone, having a buttery, nutty aroma, that is used in perfumery and flavouringbutyrylation(organic chemistry) The reaction of a substance with butyric acid or one of its derivatives; the introduction of one or more butyryl groups into a substancebuydown(finance) An accelerated repayment of the principal of a loan.byakangelicin(organic chemistry) The coumarin 9-[(2R)-2,3-dihydroxy-3-methylbutoxy]-4-methoxyfuro[3,2-g]chromen-7-one, an aldose reductase inhibitor.byelection(Canada, New Zealand, often UK) Alternative form of by-election.byganAlternative form of bhaigan.bynedestinA globulin found in malt.byrewomanA woman employed to look after cows in a byre.bytownA subsidiary or subordinate townbyzenAlternative form of bizen.