/ Dictionary / Index T tanzanite: Meaning and Definition of Find definitions for: tan•za•nite Pronunciation: (tan'zu-nīt"), [key] — n. a variety of zoisite valued as a gem for its purplish-blue color and strong pleochroism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tanzania Tao Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language