/ Dictionary / Index V vanadinite: Meaning and Definition of Find definitions for: va•nad•i•nite Pronunciation: (vu-nad'n-īt", -nād'-), [key] — n. a mineral, Pb(VO)Cl, occurring in yellow, brown, or greenish crystals: an ore of lead and vanadium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vanadinite (Thesaurus) vanadic acid vanadium 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