/ Dictionary / Index A allemontite: Meaning and Definition of Find definitions for: al•le•mont•ite Pronunciation: (al"u-mon'tīt), [key] — n. a white to gray, brittle mineral, antimony arsenide, AsSb, occurring in reniform masses: formerly used as an ore of arsenic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. all-embracing Allen Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language