/ Dictionary / Index T titanium white: Meaning and Definition of Find definitions for: tita'nium white' Pronunciation: [key] a pigment used in painting, consisting chiefly of titanium dioxide and noted for its brilliant white color, covering power, and permanence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. titanium dioxide titanosaur Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language