/ Dictionary / Index A amosite: Meaning and Definition of Find definitions for: am•o•site Pronunciation: (am'u-sīt"), [key] — n. Mineral. an asbestine variety of anthophyllite, rich in iron, formerly used as a heat-resistant material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Amos amount Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language