/ Dictionary / Index S stannous: Meaning and Definition of Find definitions for: stan•nous Pronunciation: (stan'us), [key] — adj. Chem. containing tin, esp. in the bivalent state. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stannous (Thesaurus) stannite stannous chloride Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language