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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.
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.
biodiesel a low-polluting type of diesel fuel made from renewable, organically-derived oils such as vegetable oils or waste animal fats.
biodiversity the diversity of life forms on earth or part of the earth, including diversity of species, genes, and ecosystems, esp. when regarded as providing the optimal conditions for evolution.
bioelectricity the scientific study of biological electric currents and fields and of the effects of external electromagnetic forces on biological systems.
bioengineering the application of engineering principles and technology to medical and biological problems, such as the modification of genes.
biofeedback a method for self-regulation of presumably involuntary bodily functions, such as heartbeat rate, with the aid of electronic monitors that display visual representations of such functions.
bioflavonoid any of a group of yellow hydrocarbon pigments found in many flowers and fruits, once thought to be important as a vitamin in humans; vitamin P.