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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Boob TubenounMWEan electronic device that receives television signals and displays them on a screenverifiedMay 18, 2026
Booboisienounclass consisting of all those who are considered boobsverifiedMay 18, 2026
Boobynounsmall tropical gannet having a bright bill or bright feet or bothverifiedMay 18, 2026
Booby HatchnounMWEpejorative terms for an insane asylumverifiedMay 18, 2026
Booby PrizenounMWEa prize given to one who finishes last in a contestverifiedMay 18, 2026
Booby TrapnounMWEan unforeseen or unexpected or surprising difficultyverifiedMay 18, 2026
Boodlenouna gambling card game in which chips are placed on the ace and king and queen and jack of separate suits (taken from a separate deck)verifiedMay 18, 2026
Boogernounan imaginary monster used to frighten childrenverifiedMay 18, 2026
Boogeymannounan imaginary monster used to frighten childrenverifiedMay 18, 2026
Boogie-Woogienounan instrumental version of the blues, especially for pianoverifiedMay 18, 2026
Boojum TreenounMWEcandlewood of Mexico and southwestern California having tall columnar stems and bearing honey-scented creamy yellow flowersverifiedMay 18, 2026
Book AgentnounMWEa book salesmanverifiedMay 18, 2026
Book BagnounMWEa bag in which students carry their booksverifiedMay 18, 2026
Book FairnounMWEbazaar at which books are sold or auctioned off in order to raise funds for a worthy causeverifiedMay 18, 2026
Book JacketnounMWEa paper jacket for a bookverifiedMay 18, 2026
Book LungnounMWEorgan in many arachnids containing many thin folds of membrane resembling the leaves of a bookverifiedMay 18, 2026
Book MatchesnounMWEa paper match that strikes only on a specially prepared surfaceverifiedMay 18, 2026
Book of AccountnounMWEa record in which commercial accounts are recordedverifiedMay 18, 2026
Book of FactsnounMWEa book to which you can refer for authoritative factsverifiedMay 18, 2026
Book of InstructionsnounMWEa manual usually accompanying a technical device and explaining how to install or operate itverifiedMay 18, 2026
Book of KnowledgenounMWEan elementary encyclopedia dealing with general knowledgeverifiedMay 18, 2026
Book of MapsnounMWEa collection of maps in book formverifiedMay 18, 2026
Book ReviewnounMWEa critical review of a book (usually a recently published book)verifiedMay 18, 2026
Book ScorpionnounMWEminute arachnid sometimes found in old papersverifiedMay 18, 2026
Book SellernounMWEa dealer in booksverifiedMay 18, 2026
Book TokennounMWEa gift voucher that can be exchanged for books costing up to an amount given on the voucherverifiedMay 18, 2026
Book ValuenounMWEthe value at which an asset is carried on a balance sheetverifiedMay 18, 2026
Bookbindernouna worker whose trade is binding booksverifiedMay 18, 2026
Bookbinderynouna bookbinder's workshopverifiedMay 18, 2026
Bookbindingnounthe craft of binding booksverifiedMay 18, 2026
Bookcasenouna piece of furniture with shelves for storing booksverifiedMay 18, 2026
Bookclubnouna club that people join in order to buy selected books at reduced pricesverifiedMay 18, 2026
Bookdealernouna dealer in booksverifiedMay 18, 2026
Bookendnouna support placed at the end of a row of books to keep them upright (on a shelf or table)verifiedMay 18, 2026
Bookernounsomeone who engages a person or company for performancesverifiedMay 18, 2026
Bookienouna gambler who accepts and pays off bets (especially on horse races)verifiedMay 18, 2026
Bookingnounemployment for performers or performing groups that lasts for a limited period of timeverifiedMay 18, 2026
Booking AgentnounMWEsomeone who engages a person or company for performancesverifiedMay 18, 2026
Booking ClerknounMWEsomeone who sells tickets (e.g., theater seats or travel accommodations)verifiedMay 18, 2026
Bookishnessnounexaggerated studiousnessverifiedMay 18, 2026
Bookkeepernounsomeone who records the transactions of a businessverifiedMay 18, 2026
Bookkeepingnounthe activity of recording business transactionsverifiedMay 18, 2026
Bookletnouna small book usually having a paper coververifiedMay 18, 2026
Booklousenounminute wingless psocopterous insects injurious to books and papersverifiedMay 18, 2026
Booklovernounsomeone who loves (and usually collects) booksverifiedMay 18, 2026
Bookmakernouna gambler who accepts and pays off bets (especially on horse races)verifiedMay 18, 2026
Bookmannouna learned person (especially in the humanities)verifiedMay 18, 2026
Bookmarkernouna marker (a piece of paper or ribbon) placed between the pages of a book to mark the reader's placeverifiedMay 18, 2026
Bookmobilenouna van with shelves of booksverifiedMay 18, 2026
Bookplatenouna label identifying the owner of a book in which it is pastedverifiedMay 18, 2026
Bookshelfnouna shelf on which to keep booksverifiedMay 18, 2026
Bookshopnouna shop where books are soldverifiedMay 18, 2026
Bookstallnouna shop where books are soldverifiedMay 18, 2026
Bookstorenouna shop where books are soldverifiedMay 18, 2026
Bookwormnouna person who pays more attention to formal rules and book learning than they meritverifiedMay 18, 2026
Boolean OperationnounMWEan operation that follows the rules of Boolean algebraverifiedMay 18, 2026
Boom BoxnounMWEa portable stereoverifiedMay 18, 2026
Boom TownnounMWEa town enjoying sudden prosperityverifiedMay 18, 2026
Boomernouna member of the baby boom generation in the 1950sverifiedMay 18, 2026
Boondocksnouna remote and undeveloped areaverifiedMay 18, 2026
Boornouna crude uncouth ill-bred person lacking culture or refinementverifiedMay 18, 2026
Boorishnessnouninelegance by virtue of being an uncouth boorverifiedMay 18, 2026
Boosternounan additional dose that makes sure the first dose was effectiveverifiedMay 18, 2026
Booster AmplifiernounMWEan amplifier for restoring the strength of a transmitted signalverifiedMay 18, 2026
Booster CablenounMWEa jumper that consists of a short piece of wireverifiedMay 18, 2026
Booster DosenounMWEan additional dose that makes sure the first dose was effectiveverifiedMay 18, 2026
Booster RocketnounMWEthe first stage of a multistage rocketverifiedMay 18, 2026
Booster ShotnounMWEan additional dose that makes sure the first dose was effectiveverifiedMay 18, 2026
Booster StationnounMWEan amplifier for restoring the strength of a transmitted signalverifiedMay 18, 2026
BoostingnounA machine learning technique that iteratively combines a set of simple and not very accurate classifiers (referred to as "weak" classifiers) into a classifier with high accuracy (a "strong" classifier) by upweighting the examples that the model is currently misclassifyingCapabilityMay 18, 2026
Boot CampnounMWEcamp for training military recruitsverifiedMay 18, 2026
Boot Record InfectornounMWEA boot record infector is a piece of malware that inserts malicious code into the boot sector of a disk.ThreatMay 9, 2026
Boot SalenounMWEan outdoor sale at which people sell things from the trunk of their carverifiedMay 18, 2026
Bootblacknouna person who polishes shoes and bootsverifiedMay 18, 2026
Bootboysnouna youth subculture that appeared first in England in the late 1960s as a working-class reaction to the hippiesverifiedMay 18, 2026
Booted ArmillarianounMWEfungus with a brown cap and white gills and a membranous ring halfway up the stalkverifiedMay 18, 2026
Booteenouna slipper that is soft and wool (for babies)verifiedMay 18, 2026
Boothnouna table (in a restaurant or bar) surrounded by two high-backed benchesverifiedMay 18, 2026
Boothosenounprotective stockings worn with or in place of bootsverifiedMay 18, 2026
Bootienouna slipper that is soft and wool, for babiesverifiedMay 18, 2026
Bootjacknounhas V-shaped notch for pulling off bootsverifiedMay 18, 2026
Bootlacenouna long lace for fastening bootsverifiedMay 18, 2026
Bootleggernounsomeone who makes or sells illegal liquorverifiedMay 18, 2026
Bootleggingnounthe act of making or transporting alcoholic liquor for sale illegallyverifiedMay 18, 2026
Bootlickernounsomeone who humbles himself as a sign of respectverifiedMay 18, 2026
Bootmakernouna maker of bootsverifiedMay 18, 2026
Bootynoungoods or money obtained illegallyverifiedMay 18, 2026
Booyongnounlarge tree of AustralasiaverifiedMay 18, 2026
Booze-Upnounrevelry in drinkingverifiedMay 18, 2026
Boozernouna person who drinks alcohol to excess habituallyverifiedMay 18, 2026
Boozingnounthe act of drinking alcoholic beverages to excessverifiedMay 18, 2026
Bopeepnouna game played with young childrenverifiedMay 18, 2026
Boracic AcidnounMWEany of various acids containing boron and oxygenverifiedMay 18, 2026
Boragenounhairy blue-flowered European annual herb long used in herbal medicine and eaten raw as salad greens or cooked like spinachverifiedMay 18, 2026
Borage FamilynounMWEa widely distributed family of plants distinguished by circinate flowers and nutlike fruitverifiedMay 18, 2026
Boratenouna salt or ester of boric acidverifiedMay 18, 2026
Boraxnounan ore of boron consisting of hydrated sodium borateverifiedMay 18, 2026
Bordelaisenounbrown sauce with beef marrow and red wineverifiedMay 18, 2026
Bordellonouna building where prostitutes are availableverifiedMay 18, 2026
Border DistrictnounMWEdistrict consisting of the area on either side of a border or boundary of a country or an areaverifiedMay 18, 2026