/ Dictionary / Index A argentous: Meaning and Definition of Find definitions for: ar•gen•tous Pronunciation: (är-jen'tus), [key] — adj. Chem. containing univalent silver, as argentous chloride, AgCl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: argentous (Thesaurus) argento- argentum Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language