/ Dictionary / Index D datolite: Meaning and Definition of Find definitions for: dat•o•lite Pronunciation: (dat'l-īt"), [key] — n. a mineral, calcium and boron silicate, CaB(SiO)(OH), usually occurring in rock cavities in the form of colorless, prismatic crystals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dato Datong Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language