/ Dictionary / Index A albite: Meaning and Definition of Find definitions for: al•bite Pronunciation: (al'bīt), [key] — n. Mineral. the sodium end member of the plagioclase feldspar group, light-colored and found in alkalic igneous rocks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: albite (Thesaurus) Albion Albizu Campos Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language