/ Dictionary / Index T tyramine: Meaning and Definition of Find definitions for: ty•ra•mine Pronunciation: (tī'ru-mēn"), [key] — n. Biochem. an amine, CHNO, abundant in ripe cheese as a breakdown product of tyrosine by removal of the carboxyl group (COOH). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tyramine (Thesaurus) Tyr tyrannical Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language