/ Dictionary / Index L lechatelierite: Meaning and Definition of Find definitions for: le•cha•te•lier•ite Pronunciation: (lu-shät"l-ēr'īt), [key] — n. a mineral, an amorphous form of silica formed by the fusion by heat of silica and found in fulgurites. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lechatelierite (Thesaurus) lech Le Châtelier principle Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language