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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
Beta SoftwarenounMWEsoftware that has not yet been released but has received an alpha test and still has more bugs than a regular releaseverifiedMay 18, 2026
Beta TestnounMWE(computer science) a second test of an experimental product (such as computer software) carried out by an outside organizationverifiedMay 18, 2026
Beta WavenounMWEthe normal brainwave in the encephalogram of a person who is awake and alertverifiedMay 18, 2026
Beta-Adrenergic BlockernounMWEany of various drugs used in treating hypertension or arrhythmiaverifiedMay 18, 2026
Beta-Adrenergic Blocking AgentnounMWEany of various drugs used in treating hypertension or arrhythmiaverifiedMay 18, 2026
Beta-Adrenergic ReceptornounMWEreceptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)verifiedMay 18, 2026
Beta-Adrenoceptornounreceptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)verifiedMay 18, 2026
Beta-Blocking AgentnounMWEany of various drugs used in treating hypertension or arrhythmiaverifiedMay 18, 2026
Beta-Carotenenounan isomer of carotene that is found in dark green and dark yellow fruits and vegetablesverifiedMay 18, 2026
Beta-Hydroxybutyric AcidnounMWEbeta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolismverifiedMay 18, 2026
Beta-Interferonnouna form of interferon that is produced by fibroblasts and have antiviral effectsverifiedMay 18, 2026
Beta-Lactamasenounenzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibioticverifiedMay 18, 2026
Beta-Lipoproteinnouna lipoprotein that transports cholesterol in the bloodverifiedMay 18, 2026
Betainenouna sweet tasting alkaloid that occurs in sugar beetsverifiedMay 18, 2026
Betatronnounaccelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic fluxverifiedMay 18, 2026
Bete NoirenounMWEa detested personverifiedMay 18, 2026
BetelnounAsian pepper plant whose dried leaves are chewed with betel nut (seed of the betel palm) by southeast AsiansverifiedMay 18, 2026
Betel NutnounMWEseed of betel palmverifiedMay 18, 2026
Betel PalmnounMWEsoutheastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk)verifiedMay 18, 2026
Betel PeppernounMWEAsian pepper plant whose dried leaves are chewed with betel nut (seed of the betel palm) by southeast AsiansverifiedMay 18, 2026
Bethnounthe 2nd letter of the Hebrew alphabetverifiedMay 18, 2026
Bethelnouna house of worship (especially one for sailors)verifiedMay 18, 2026
Betisenouna stupid mistakeverifiedMay 18, 2026
Betrayalnounthe quality of aiding an enemyverifiedMay 18, 2026
Betrayernounone who reveals confidential information in return for moneyverifiedMay 18, 2026
Betrothalnounthe act of becoming betrothed or engagedverifiedMay 18, 2026
Better HalfnounMWEa person's partner in marriageverifiedMay 18, 2026
Bettermentnounan improvement that adds to the value of a property or facilityverifiedMay 18, 2026
Betting OddsnounMWEthe ratio by which one better's wager is greater than that of anotherverifiedMay 18, 2026
Betting ShopnounMWEa licensed bookmaker's shop that is not at the race trackverifiedMay 18, 2026
Bettongnounshort-nosed rat kangarooverifiedMay 18, 2026
Bettornounsomeone who betsverifiedMay 18, 2026
Betweenbrainnounthe posterior division of the forebrainverifiedMay 18, 2026
Beurre NoisettenounMWEclarified butter browned slowly and seasoned with vinegar or lemon juice and capersverifiedMay 18, 2026
Bevatronnouna cyclotron that accelerates protons up to several billion electron voltsverifiedMay 18, 2026
Bevel GearnounMWEgears that mesh at an angleverifiedMay 18, 2026
Bevel SquarenounMWEa hand tool consisting of two rules that are hinged together so you can draw or measure angles of any sizeverifiedMay 18, 2026
Beveragenounany liquid suitable for drinkingverifiedMay 18, 2026
Bevynouna flock of birds, especially when gathered close together on the groundverifiedMay 18, 2026
Bewildermentnounconfusion resulting from failure to understandverifiedMay 18, 2026
Bewitcherynounmagnetic personal charmverifiedMay 18, 2026
Bewitchmentnouna magical spellverifiedMay 18, 2026
Beynounthe governor of a district or province in the Ottoman EmpireverifiedMay 18, 2026
Bezantnouna gold coin of the Byzantine EmpireverifiedMay 18, 2026
Bezelnouna sloping edge on a cutting toolverifiedMay 18, 2026
Beziquenouna card game played with a pack of forty-eight cards (two of each suit for high cards)verifiedMay 18, 2026
Bezoar GoatnounMWEwild goat of Iran and adjacent regionsverifiedMay 18, 2026
Bezzantnouna gold coin of the Byzantine EmpireverifiedMay 18, 2026
Bhaktinoun(Hinduism) loving devotion to a deity leading to salvation and nirvanaverifiedMay 18, 2026
Bhangnouna preparation of the leaves and flowers of the hemp plantverifiedMay 18, 2026
Bi-Fold DoornounMWEan interior doorverifiedMay 18, 2026
Bialynounflat crusty-bottomed onion rollverifiedMay 18, 2026
Bialystokernounflat crusty-bottomed onion rollverifiedMay 18, 2026
Biasnoun(mathematical) A point estimator \theta_hat is said to be an unbiased estimator fo \theta if E(\theta_hat) = \theta for every possible value of \theta. If \theta_hat is not unbiased, the difference E(\theta_hat) - \theta is called the bias of \thetaVulnerabilityMay 18, 2026
Bias Mitigation AlgorithmnounMWEA procedure for reducing unwanted bias in training data or models.ControlMay 18, 2026
Bias TestingnounMWEAs it relates to disparate impact, courts and regulators have utilized or considered as acceptable various statistical tests to evaluate evidence of disparate impact. Traditional methods of statistical bias testing look at differences in predictions across protected classes, such as race or sex. In particular, courts have looked to statistical significance testing to assess whether the challenged practice likely caused the disparity and was not the result of chance or a nondiscriminatory factor.ProcessRegulatedMay 18, 2026
Biauriculate HeartnounMWEa heart (as of mammals and birds and reptiles) having two auriclesverifiedMay 18, 2026
Bib-And-Tuckernounan attractive outfitverifiedMay 18, 2026
Biblenouna book regarded as authoritative in its fieldverifiedMay 18, 2026
Bible LeafnounMWEtansy-scented Eurasian perennial herb with buttonlike yellow flowersverifiedMay 18, 2026
Bibliographernounsomeone trained in compiling bibliographiesverifiedMay 18, 2026
Bibliographynouna list of writings with time and place of publication (such as the writings of a single author or the works referred to in preparing a document etc.)verifiedMay 18, 2026
Bibliolatrynounthe worship of the BibleverifiedMay 18, 2026
Bibliomanianounpreoccupation with the acquisition and possession of booksverifiedMay 18, 2026
Bibliophilenounsomeone who loves (and usually collects) booksverifiedMay 18, 2026
Bibliopolenouna dealer in secondhand books (especially rare or curious books)verifiedMay 18, 2026
Bibliopolistnouna dealer in secondhand books (especially rare or curious books)verifiedMay 18, 2026
Bibliothecnouna professional person trained in library science and engaged in library servicesverifiedMay 18, 2026
Bibliothecanouna collection of booksverifiedMay 18, 2026
Biblioticsnounthe scientific study of documents and handwriting etc. especially to determine authorship or authenticityverifiedMay 18, 2026
Bibliotistnounsomeone who engages in biblioticsverifiedMay 18, 2026
Bicameral ScriptnounMWEa script having two distinct casesverifiedMay 18, 2026
Bicarbonatenouna salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replacedverifiedMay 18, 2026
Bicarbonate of SodanounMWEa white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacidverifiedMay 18, 2026
Bicepsnounany skeletal muscle having two origins (but especially the muscle that flexes the forearm)verifiedMay 18, 2026
Biceps BrachiinounMWEa muscle that flexes and supinates the forearmverifiedMay 18, 2026
Biceps HumerinounMWEa muscle that flexes and supinates the forearmverifiedMay 18, 2026
Bichloridenouna compound containing two chlorine atoms per moleculeverifiedMay 18, 2026
Bichloride of MercurynounMWEa white poisonous soluble crystalline sublimate of mercuryverifiedMay 18, 2026
Bichromatenouna salt of the hypothetical dichromic acidverifiedMay 18, 2026
Bickeringnouna quarrel about petty pointsverifiedMay 18, 2026
Bicolor LespedizanounMWEAsian shrub having conspicuous racemose rose-purple flowers widely used as an ornamental and in erosion control and as a source of feed for wild birdsverifiedMay 18, 2026
Bicornenouna cocked hat with the brim turned up to form two pointsverifiedMay 18, 2026
Bicuspid ValvenounMWEvalve with two cuspsverifiedMay 18, 2026
Bicycle ChainnounMWEa chain that transmits the power from the pedals to the rear wheel of a bicycleverifiedMay 18, 2026
Bicycle ClipnounMWEa clip worn around a cyclist's ankles that keeps trousers from becoming caught in the bicycle chainverifiedMay 18, 2026
Bicycle PumpnounMWEa small pump that fills bicycle tires with airverifiedMay 18, 2026
Bicycle RacenounMWEa race between people riding bicyclesverifiedMay 18, 2026
Bicycle RacknounMWEa rack for parking bicyclesverifiedMay 18, 2026
Bicycle SeatnounMWEa seat for the rider of a bicycleverifiedMay 18, 2026
Bicycle TrafficnounMWEbicycles coming and goingverifiedMay 18, 2026
Bicycle WheelnounMWEthe wheel of a bicycleverifiedMay 18, 2026
Bicycle-Built-For-Twonouna bicycle with two sets of pedals and two seatsverifiedMay 18, 2026
Bicyclernouna person who rides a bicycleverifiedMay 18, 2026
Bicyclingnounriding a bicycleverifiedMay 18, 2026
Bicyclistnouna person who rides a bicycleverifiedMay 18, 2026
Bid PricenounMWE(stock market) the price at which a broker is willing to buy a certain securityverifiedMay 18, 2026
Biddernounsomeone who makes a bid at cardsverifiedMay 18, 2026
Biddingnoun(bridge) the number of tricks a bridge player is willing to contract to makeverifiedMay 18, 2026
Bidding ContestnounMWEa series of competing bidsverifiedMay 18, 2026