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Glossary · Nouns · B

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TermTypeDefinitionClassificationsUpdated
BlindingnounGenerating network traffic that is likely to trigger many alerts in a short period of time, to conceal alerts triggered by a “real” attack performed simultaneously.ThreatMay 9, 2026
Blindman's BluffnounMWEa children's game in which a blindfolded player tries to catch and identify other playersverifiedMay 18, 2026
Blindman's BuffnounMWEa children's game in which a blindfolded player tries to catch and identify other playersverifiedMay 18, 2026
Blindnessnounthe state of being blind or lacking sightverifiedMay 18, 2026
Blindwormnounany of the small slender limbless burrowing wormlike amphibians of the order GymnophionaverifiedMay 18, 2026
Blingnounflashy, ostentatious jewelryverifiedMay 18, 2026
Bling BlingnounMWEflashy, ostentatious jewelryverifiedMay 18, 2026
BlininounRussian pancake of buckwheat flour and yeastverifiedMay 18, 2026
Blink of an EyenounMWEa very short time (as the time it takes the eye to blink or the heart to beat)verifiedMay 18, 2026
Blinking ChickweednounMWEsmall Indian lettuce of northern regionsverifiedMay 18, 2026
Blintznoun(Judaism) thin pancake folded around a filling and fried or bakedverifiedMay 18, 2026
Blintzenoun(Judaism) thin pancake folded around a filling and fried or bakedverifiedMay 18, 2026
BlinynounRussian pancake of buckwheat flour and yeastverifiedMay 18, 2026
Blipnouna radar echo displayed so as to show the position of a reflecting surfaceverifiedMay 18, 2026
Blissnouna state of extreme happinessverifiedMay 18, 2026
Blissfulnessnouna state of extreme happinessverifiedMay 18, 2026
Blister BeetlenounMWEbeetle that produces a secretion that blisters the skinverifiedMay 18, 2026
Blister BlightnounMWEa disease of Scotch pinesverifiedMay 18, 2026
Blister CoppernounMWEan impure form of copper having a black blistered surfaceverifiedMay 18, 2026
Blister PacknounMWEpackaging in which a product is sealed between a cardboard backing and clear plastic coververifiedMay 18, 2026
Blister RustnounMWEany of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externallyverifiedMay 18, 2026
Blistering AgentnounMWEa toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungsverifiedMay 18, 2026
Blithenessnouna feeling of spontaneous good spiritsverifiedMay 18, 2026
Blizzardnouna storm with widespread snowfall accompanied by strong windsverifiedMay 18, 2026
Bloaternounlarge fatty herring lightly salted and briefly smokedverifiedMay 18, 2026
Blocnouna group of countries in special allianceverifiedMay 18, 2026
BlocknounSequence of binary bits that comprise the input, output, State, and Round Key. The length of a sequence is the number of bits it contains. Blocks are also interpreted as arrays of bytes.DataMay 12, 2026
Block AnaesthesianounMWEanesthesia of an area supplied by a nerveverifiedMay 18, 2026
Block and TacklenounMWEpulley blocks with associated rope or cableverifiedMay 18, 2026
Block AnesthesianounMWEanesthesia of an area supplied by a nerveverifiedMay 18, 2026
Block CapitalnounMWEa plain hand-drawn letterverifiedMay 18, 2026
Block ciphernounMWEA symmetric key cryptographic algorithm that transforms a block of information at a time using a cryptographic key. For a block cipher algorithm, the length of the input block is the same as the length of the output block.CapabilityMay 9, 2026
Block Cipher AlgorithmnounMWEA family of functions and their inverses that is parameterized by a cryptographic key; the function maps bit strings of a fixed length to bit strings of the same length.CapabilityMay 12, 2026
Block DiagramnounMWEa diagram showing the interconnections between the components of system (especially an electronic system)verifiedMay 18, 2026
Block GrantnounMWEa grant of federal money to state and local governments to support social welfare programsverifiedMay 18, 2026
Block LetternounMWEa plain hand-drawn letterverifiedMay 18, 2026
Block of MetalnounMWEmetal that is cast in the shape of a block for convenient handlingverifiedMay 18, 2026
Block PlanenounMWEa small plane used on end grains of woodverifiedMay 18, 2026
Block VotenounMWEa vote proportional in magnitude to the number of people that a delegate representsverifiedMay 18, 2026
Blockade-Runnernouna ship that runs through or around a naval blockadeverifiedMay 18, 2026
Blockagenounthe physical condition of blocking or filling a passage with an obstructionverifiedMay 18, 2026
Blockbusternounan unusually successful hit with widespread popularity and huge sales, especially a movie, play, recording, or novelverifiedMay 18, 2026
Blockernouna football player whose responsibility is to block players attempting to stop an offensive playverifiedMay 18, 2026
Blockheadnouna stupid personverifiedMay 18, 2026
Blockhousenouna stronghold that is reinforced for protection from enemy fireverifiedMay 18, 2026
Blockingnounthe act of obstructing or deflecting someone's movementsverifiedMay 18, 2026
Blocking AgentnounMWEa class of drugs that inhibit (block) some biological processverifiedMay 18, 2026
Bloggernouna person who keeps and updates a blogverifiedMay 18, 2026
Blokenouna boy or manverifiedMay 18, 2026
Blollynounevergreen climbing shrub of southern Florida and West Indies grown for its racemes of fragrant white to creamy flowers followed by globose white succulent berriesverifiedMay 18, 2026
Blonde LiliannounMWENorth American dogtooth having solitary white flowers with yellow centers and blue or pink exteriorsverifiedMay 18, 2026
Blondnessnounthe property of having a naturally light complexionverifiedMay 18, 2026
Blood AgarnounMWEa culture medium containing whole blood as the nutrientverifiedMay 18, 2026
Blood BanknounMWEa place for storing whole blood or blood plasmaverifiedMay 18, 2026
Blood BerrynounMWEbushy houseplant having white to pale pink flowers followed by racemes of scarlet berriesverifiedMay 18, 2026
Blood BlisternounMWEblister containing blood or bloody serum usually caused by an injuryverifiedMay 18, 2026
Blood BrothernounMWEa male sworn (usually by a ceremony involving the mingling of blood) to treat another as his brotherverifiedMay 18, 2026
Blood BrotherhoodnounMWEthe friendship characteristic of blood brothersverifiedMay 18, 2026
Blood CellnounMWEeither of two types of cells (erythrocytes and leukocytes) and sometimes including plateletsverifiedMay 18, 2026
Blood ClamnounMWEred-blooded clamverifiedMay 18, 2026
Blood ClotnounMWEa semisolid mass of coagulated red and white blood cellsverifiedMay 18, 2026
Blood ClottingnounMWEa process in which liquid blood is changed into a semisolid mass (a blood clot)verifiedMay 18, 2026
Blood CoagulationnounMWEa process in which liquid blood is changed into a semisolid mass (a blood clot)verifiedMay 18, 2026
Blood CorpusclenounMWEeither of two types of cells (erythrocytes and leukocytes) and sometimes including plateletsverifiedMay 18, 2026
Blood CountnounMWEthe act of estimating the number of red and white corpuscles in a blood sampleverifiedMay 18, 2026
Blood CupnounMWEa scarlet European fungus with cup-shaped ascocarpverifiedMay 18, 2026
Blood CystnounMWEa cyst containing bloodverifiedMay 18, 2026
Blood DiseasenounMWEa disease or disorder of the bloodverifiedMay 18, 2026
Blood DisordernounMWEa disease or disorder of the bloodverifiedMay 18, 2026
Blood DonornounMWEsomeone who gives blood to be used for transfusionsverifiedMay 18, 2026
Blood DyscrasianounMWEany abnormal condition of the bloodverifiedMay 18, 2026
Blood ExtravasationnounMWEthe leakage of blood from a vessel into tissues surrounding itverifiedMay 18, 2026
Blood FeudnounMWEa feud in which members of the opposing parties murder each otherverifiedMay 18, 2026
Blood FlowernounMWEtropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wingsverifiedMay 18, 2026
Blood FlukenounMWEflatworms parasitic in the blood vessels of mammalsverifiedMay 18, 2026
Blood GlucosenounMWEglucose in the bloodstreamverifiedMay 18, 2026
Blood GroupnounMWEhuman blood cells (usually just the red blood cells) that have the same antigensverifiedMay 18, 2026
Blood HeatnounMWEtemperature of the bodyverifiedMay 18, 2026
Blood KinshipnounMWE(anthropology) related by bloodverifiedMay 18, 2026
Blood KnotnounMWEa knot used for tying fishing leaders togetherverifiedMay 18, 2026
Blood LilynounMWEany of various deciduous or evergreen herbs of the genus HaemanthusverifiedMay 18, 2026
Blood MealnounMWEthe dried and powdered blood of animalsverifiedMay 18, 2026
Blood MoneynounMWEcompensation paid to the family of a murdered personverifiedMay 18, 2026
Blood PlasmanounMWEthe colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspendedverifiedMay 18, 2026
Blood PlateletnounMWEtiny bits of protoplasm found in vertebrate bloodverifiedMay 18, 2026
Blood PoisoningnounMWEinvasion of the bloodstream by virulent microorganisms from a focus of infectionverifiedMay 18, 2026
Blood PressurenounMWEthe pressure of the circulating blood against the walls of the blood vesselsverifiedMay 18, 2026
Blood ProfilenounMWEcounting the number of white and red blood cells and the number of platelets in 1 cubic millimeter of bloodverifiedMay 18, 2026
Blood PuddingnounMWEa black sausage containing pig's blood and other ingredientsverifiedMay 18, 2026
Blood RelationnounMWEone related by blood or originverifiedMay 18, 2026
Blood RelativenounMWEone related by blood or originverifiedMay 18, 2026
Blood SausagenounMWEa black sausage containing pig's blood and other ingredientsverifiedMay 18, 2026
Blood SerumnounMWEan amber, watery fluid, rich in proteins, that separates out when blood coagulatesverifiedMay 18, 2026
Blood SpavinnounMWEspavin caused by distension of the veinsverifiedMay 18, 2026
Blood SportnounMWEsport that involves killing animals (especially hunting)verifiedMay 18, 2026
Blood SugarnounMWEglucose in the bloodstreamverifiedMay 18, 2026
Blood TestnounMWEa serologic analysis of a sample of bloodverifiedMay 18, 2026
Blood TransfusionnounMWEthe introduction of blood or blood plasma into a vein or arteryverifiedMay 18, 2026
Blood TypenounMWEhuman blood cells (usually just the red blood cells) that have the same antigensverifiedMay 18, 2026
Blood TypingnounMWEdetermining a person's blood type by serological methodsverifiedMay 18, 2026