/ Dictionary / Index T titanic acid: Meaning and Definition of Find definitions for: ti•tan'ic ac'id Pronunciation: (tī-tan'ik, ti-), [key] — Chem. Chem. any of various acids derived from titanium dioxide, esp. HTiO or Ti(OH). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. titanic titaniferous Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language