Dictionary entry

Enzyme

Webster's Dictionary 1913

En″zyme (ĕn″zīm), n. [Pref. en- (Gr. εν̓ in) + Gr. ζύμη leaven.] (Physiol. Chem.) An unorganized or unformed ferment, in distinction from an organized or living ferment; a soluble, or chemical, ferment. Ptyalin, pepsin, diastase, and rennet are good examples of enzymes.