/ Dictionary / Index A argentite: Meaning and Definition of Find definitions for: ar•gen•tite Pronunciation: (är'jun-tīt"), [key] — n. a dark lead-gray sectile mineral, silver sulfide, AgS, occurring in crystals and as formless aggregates: an important ore of silver. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: argentite (Thesaurus) Argentine ant argento- Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language