Breadcrumb Home > Dictionary > Index A amianthus: Meaning and Definition of Find definitions for: am•i•an•thus Pronunciation: (am"ē-an'thus), [key] — n. Mineral. a fine variety of asbestos, with delicate, flexible filaments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amiable amic ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language