ENZYME
enzyme
(noun) any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
Source: WordNet® 3.1
Etymology
Noun
enzyme (countable and uncountable, plural enzymes)
(biochemistry) A globular protein that catalyses a biological chemical reaction.
(Christianity) leavened bread, as opposed to azyme
Source: Wiktionary
En"zyme, n. Etym: [Pref. en- (Gr. (Physiol. Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition