/ Dictionary / Index T Tyzine: Meaning and Definition of Find definitions for: Ty•zine Pronunciation: (tī'zēn), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of tetrahydrozoline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tyumen tzaddik* Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language