Breadcrumb Home > Dictionary > Index T trinitrotoluene: Meaning and Definition of Find definitions for: tri•ni•tro•tol•u•ene Pronunciation: (trī-nī"trō-tol'y-ēn"), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trinitrotoluene (Thesaurus) trinitrophenylmethylnitramine Trinity ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language