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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Bottomlandnounlow-lying alluvial land near a riververifiedMay 18, 2026
Bottomlessnessnounthe property of being very deepverifiedMay 18, 2026
Botulinnounpotent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulismverifiedMay 18, 2026
Botulinumnounanaerobic bacterium producing botulin the toxin that causes botulismverifiedMay 18, 2026
Botulinum ToxinnounMWEany of several neurotoxins that are produced by the anaerobic bacterium Clostridium botulinumverifiedMay 18, 2026
Botulinum Toxin anounMWEa neurotoxin (trade name Botox) that is used clinically in small quantities to treat strabismus and facial spasms and other neurological disorders characterized by abnormal muscle contractionsverifiedMay 18, 2026
Botulinusnounanaerobic bacterium producing botulin the toxin that causes botulismverifiedMay 18, 2026
Botulinus ToxinnounMWEpotent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulismverifiedMay 18, 2026
Botulismnounfood poisoning from ingesting botulinverifiedMay 18, 2026
Botulismotoxinnounpotent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulismverifiedMay 18, 2026
Boucheenounshell of puff pasteverifiedMay 18, 2026
Bouclenouna fabric of uneven yarn that has an uneven knobby effectverifiedMay 18, 2026
Boudoirnouna lady's bedroom or private sitting roomverifiedMay 18, 2026
Bouffenounopera with a happy ending and in which some of the text is spokenverifiedMay 18, 2026
Bougainvilleanounany of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bractsverifiedMay 18, 2026
Boughnounany of the larger branches of a treeverifiedMay 18, 2026
Bouillabaissenounhighly seasoned Mediterranean soup or stew made of several kinds of fish and shellfish with tomatoes and onions or leeks and seasoned with saffron and garlic and herbsverifiedMay 18, 2026
Bouillonnouna clear seasoned brothverifiedMay 18, 2026
Bouillon CubenounMWEa cube of evaporated seasoned meat extractverifiedMay 18, 2026
Bouldernouna large smooth mass of rock detached from its place of originverifiedMay 18, 2026
Boulder ClaynounMWEunstratified soil deposited by a glacierverifiedMay 18, 2026
Boulder FernnounMWEfern of eastern North America with pale green fronds and an aroma like hayverifiedMay 18, 2026
Boulenounan inlaid furniture decorationverifiedMay 18, 2026
Boulevardnouna wide street or thoroughfareverifiedMay 18, 2026
Boulevardiernouna visitor of a city boulevard (especially in Paris)verifiedMay 18, 2026
Boullenounan inlaid furniture decorationverifiedMay 18, 2026
Bouncernouna person whose duty is to throw troublemakers out of a bar or public meetingverifiedMay 18, 2026
Bouncinessnounthe quality of a substance that is able to reboundverifiedMay 18, 2026
Bouncing BessnounMWEplant of European origin having pink or white flowers and leaves yielding a detergent when bruisedverifiedMay 18, 2026
Bouncing BetnounMWEplant of European origin having pink or white flowers and leaves yielding a detergent when bruisedverifiedMay 18, 2026
Bouncing BettynounMWEan antipersonnel land mineverifiedMay 18, 2026
Bouncing PuttynounMWEa soft elastic silicone polymer that increases in elasticity with the application of forceverifiedMay 18, 2026
Bound FormnounMWEa morpheme that occurs only as part of a larger constructionverifiedMay 18, 2026
Bound MorphemenounMWEa morpheme that occurs only as part of a larger constructionverifiedMay 18, 2026
BoundarynounPhysical or logical perimeter of a system.ControlMay 9, 2026
Boundary ConditionnounMWE(mathematics) a condition specified for the solution to a set of differential equationsverifiedMay 18, 2026
Boundary LayernounMWEthe layer of slower flow of a fluid past a surfaceverifiedMay 18, 2026
Boundary LinenounMWEa line that indicates a boundaryverifiedMay 18, 2026
Boundary ProtectionnounMWEMonitoring and control of communications at the external boundary of an information system to prevent and detect malicious and other unauthorized communication, through the use of boundary protection devices (e.g., proxies, gateways, routers, firewalls, guards, encrypted tunnels).ControlRegulatedMay 12, 2026
boundary protection devicenounMWEA device with appropriate mechanisms that: (i) facilitates the adjudication of different interconnected system security policies (e.g., controlling the flow of information into or out of an interconnected system); and/or (ii) provides information system boundary protection.NetworkRegulatedMay 12, 2026
Bounded IntervalnounMWEan interval that includes its endpointsverifiedMay 18, 2026
Boundednessnounthe quality of being finiteverifiedMay 18, 2026
Boundernounsomeone who bounds or leaps (as in competition)verifiedMay 18, 2026
Boundlessnessnounthe quality of being infiniteverifiedMay 18, 2026
Bounteousnessnoungenerosity evidenced by a willingness to give freelyverifiedMay 18, 2026
Bountifulnessnounthe property of copious abundanceverifiedMay 18, 2026
Bountynounpayment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the militaryverifiedMay 18, 2026
Bounty HunternounMWEsomeone who pursues fugitives or criminals for whom a reward is offeredverifiedMay 18, 2026
Bouquetnounan arrangement of flowers that is usually given as a presentverifiedMay 18, 2026
Bourbonnounwhiskey distilled from a mash of corn and malt and rye and aged in charred oak barrelsverifiedMay 18, 2026
Bourdonnouna pipe of the bagpipe that is tuned to produce a single continuous toneverifiedMay 18, 2026
Bourgeoisienounthe social class between the lower and upper classesverifiedMay 18, 2026
Bourguignonnounreduced red wine with onions and parsley and thyme and butterverifiedMay 18, 2026
Bourguignon SaucenounMWEreduced red wine with onions and parsley and thyme and butterverifiedMay 18, 2026
Bournnounan archaic term for a goal or destinationverifiedMay 18, 2026
Bournenounan archaic term for a goal or destinationverifiedMay 18, 2026
Bourtreenouna common shrub with black fruit or a small tree of Europe and AsiaverifiedMay 18, 2026
Boustrophedonnounan ancient writing system: having alternate lines written in opposite directionsverifiedMay 18, 2026
Boutnoun(sports) a division during which one team is on the offensiveverifiedMay 18, 2026
Boutiquenouna shop that sells specialised or exclusive products, often at high pricesverifiedMay 18, 2026
Boutonneuse FevernounMWEa disease (common in India and around the Mediterranean area) caused by a rickettsia that is transmitted to humans by a reddish brown tick (ixodid) that lives on dogs and other mammalsverifiedMay 18, 2026
Boutonnierenouna flower that is worn in a buttonholeverifiedMay 18, 2026
Bovine Spongiform EncephalitisnounMWEa fatal disease of cattle that affects the central nervous systemverifiedMay 18, 2026
Bovine Spongiform EncephalopathynounMWEa fatal disease of cattle that affects the central nervous system, commonly known as mad cow disease and abbreviated BSEverifiedMay 18, 2026
Bow and ArrownounMWEa weapon consisting of arrows and the bow to shoot themverifiedMay 18, 2026
Bow TienounMWEa man's tie that ties in a bowverifiedMay 18, 2026
Bow WindownounMWEa window that sticks out from the outside wall of a houseverifiedMay 18, 2026
Bow WoodnounMWEsmall shrubby deciduous yellowwood tree of south central United States having spines, glossy dark green leaves and an inedible fruit that resembles an orangeverifiedMay 18, 2026
Bow-Wownouninformal terms for dogsverifiedMay 18, 2026
Bowdlerisationnounthe act of deleting or modifying all passages considered to be indecentverifiedMay 18, 2026
Bowdlerisernouna person who edits a text by removing obscene or offensive words or passagesverifiedMay 18, 2026
Bowdlerismnouncensorship in the form of prudish expurgationverifiedMay 18, 2026
Bowdlerizationnounthe act of deleting or modifying all passages considered to be indecentverifiedMay 18, 2026
Bowdlerizernouna person who edits a text by removing obscene or offensive words or passagesverifiedMay 18, 2026
Bowed Stringed InstrumentnounMWEstringed instruments that are played with a bowverifiedMay 18, 2026
Bowelnounthe part of the alimentary canal between the stomach and the anusverifiedMay 18, 2026
Bowel MovementnounMWEdefecation verifiedMay 18, 2026
Bower ActinidianounMWEclimbing Asiatic vine having long finely serrate leaves and racemes of white flowers followed by greenish-yellow edible fruitverifiedMay 18, 2026
Bowerbirdnounany of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract femalesverifiedMay 18, 2026
Bowfinnounprimitive long-bodied carnivorous freshwater fish with a very long dorsal finverifiedMay 18, 2026
Bowheadnounlarge-mouthed Arctic whaleverifiedMay 18, 2026
Bowhead WhalenounMWElarge-mouthed Arctic whaleverifiedMay 18, 2026
Bowknotnouna knot with two loops and loose endsverifiedMay 18, 2026
Bowldernouna large smooth mass of rock detached from its place of originverifiedMay 18, 2026
Bowlernouna cricketer who delivers the ball to the batsman in cricketverifiedMay 18, 2026
Bowler HatnounMWEa felt hat that is round and hard with a narrow brimverifiedMay 18, 2026
Bowlfulnounthe quantity contained in a bowlverifiedMay 18, 2026
Bowlinenouna loop knot that neither slips nor jamsverifiedMay 18, 2026
Bowline KnotnounMWEa loop knot that neither slips nor jamsverifiedMay 18, 2026
Bowlingnouna game in which balls are rolled at an object or group of objects with the aim of knocking them over or moving themverifiedMay 18, 2026
Bowling AlleynounMWEa lane down which a bowling ball is rolled toward pinsverifiedMay 18, 2026
Bowling BallnounMWEa large ball with finger holes used in the sport of bowlingverifiedMay 18, 2026
Bowling EquipmentnounMWEequipment used in bowlingverifiedMay 18, 2026
Bowling GreennounMWEa field of closely mowed turf for playing bowlsverifiedMay 18, 2026
Bowling LeaguenounMWEa league of bowling teamsverifiedMay 18, 2026
Bowling PinnounMWEa club-shaped wooden object used in bowlingverifiedMay 18, 2026
Bowling ScorenounMWEthe score in a bowling matchverifiedMay 18, 2026
Bowling ShoenounMWEa special shoe worn when bowlingverifiedMay 18, 2026
Bowmannouna person who is expert in the use of a bow and arrowverifiedMay 18, 2026
Bowspritnouna spar projecting from the bow of a vesselverifiedMay 18, 2026