/ Dictionary / Index C cristobalite: Meaning and Definition of Find definitions for: cris•to•bal•ite Pronunciation: (kri-stō'bu-līt"), [key] — n. Mineral. a polymorph of quartz occurring in volcanic rock in the form of colorless, translucent crystals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cristobalite (Thesaurus) Cristobal Cristophe Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language