補ほ酵こう素そほこうそMeanings1nouncoenzymeBiochemical term for a non-protein compound necessary for enzyme activity. Often used in scientific contexts.See also: 助酵素補ほ酵こう素そは酵こう素その働はたらきを助たすける分ぶん子しです。A coenzyme is a molecule that assists the function of an enzyme.