/ Dictionary / Index V vanadous: Meaning and Definition of Find definitions for: van•a•dous Pronunciation: (van'u-dus), [key] — adj. Chem. containing divalent or trivalent vanadium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vanadium steel Van Allen Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language