Dictionary > Factor


noun, plural: factors
(1) (biology) A substance that takes part in a biochemical reaction (e.g. blood-clotting factors) or a biological process (e.g. growth factors)
(2) (ecology) A component in the environment (e.g. biotic factors)
(3) (general) An element of something; a variable; one that causes or contributes to produce an outcome
(4) (genetics) Former name of gene or cistron
Word origin: Latin factor (a doer, maker, performer)
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