/ Dictionary / Index E eucryptite: Meaning and Definition of Find definitions for: eu•cryp•tite Pronunciation: (y-krip'tīt), [key] — n. a mineral, lithium aluminum silicate, LiAlSiO, occurring in colorless to white hexagonal crystals: used as a source of lithium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eucrite eudemon Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language