/ Dictionary / Index J jadeite: Meaning and Definition of Find definitions for: jade•ite Pronunciation: ( jā'dīt), [key] — n. a mineral, essentially sodium aluminum silicate, NaAlSiO, usually fibrous, occurring in compact masses, whitish to dark green: a form of jade. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jadeite (Thesaurus) jaded jade plant Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language