/ Dictionary / Index C celestite: Meaning and Definition of Find definitions for: cel•es•tite Pronunciation: (sel'u-stīt"), [key] — n. a white to pale-blue mineral, strontium sulfate, SrSO, occurring in tabular crystals, the principal ore of strontium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: celestite (Thesaurus) Celestine V Celia Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language