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bindweed any of several related twining or vinelike plants that bear pink or white trumpet-shaped flowers. [2 definitions]
bine the stem of any of various twining or vinelike plants. [2 definitions]
Binet-Simon scale a series of tests graded according to the mental abilities at different ages of the average population, esp. children, with which the abilities of the individual test-taker can be compared.
Bing cherry a variety of sweet, dark red cherry.
binge (informal) a period of overindulgence, esp. in drinking alcoholic beverages or eating. [2 definitions]
bingo a game of chance in which markers are placed on numbered squares on a card, in accordance with numbers chosen randomly and announced by a caller, and which is won by placing five such markers in a row.
binnacle the nonmagnetic stand or case that supports or encloses a ship's compass.
binocular pertaining to or involving the use of two eyes. [2 definitions]
binomial in algebra, an expression made up of two terms with either a plus or a minus sign between them. [2 definitions]
binomial theorem a general formula for expressing any power of a binomial expression without multiplying.
bio (informal) a biography, usu. very brief.
bio- life.
bioastronautics (used with a sing. verb) the science of the effects of outer space and space travel on living organisms.
bioavailability the extent to which a drug or other substance can be used by the body. [2 definitions]
biobased being or pertaining to any non-food substance that is derived from living organisms.
biochemistry the science of the chemistry of living things.
biocide any substance capable of killing living organisms.
biodegradable subject to decomposition by the action of living organisms such as bacteria.
biodegrade to break down through the action of living organisms.
biodiesel a low-polluting type of diesel fuel made from renewable, organically-derived oils such as vegetable oils or waste animal fats.
biodiverse having a high level of biodiversity.