/ Dictionary / Index T tetrazene: Meaning and Definition of Find definitions for: tet•ra•zene Pronunciation: (te'tru-zēn"), [key] — n. Chem. either of two isomeric compounds with the formula NH, known only in the form of their derivatives. naphthacene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tetravalent Tetrazzini Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language