A chemical element (symbol V) with atomic number 23; it is a transition metal, used in the production of special steels. / (countable) A single atom of this element.

plural of vanadium

(inorganic chemistry) Group 5 of the periodic table, comprising vanadium, niobium, tantalum and dubnium

A yellow pigment consisting of a compound of vanadium.

plural of vanadium pentoxide

plural of vanadium chromagen

plural of vanadium steel

(inorganic chemistry) An orange crystalline powder, V₂O₅, used as a catalyst in the production of sulphuric acid etc.

(physics) The only stable isotope of vanadium, ⁵¹₂₃V, having twenty-three protons and twenty-eight neutrons

(biochemistry) A haloperoxidase, used by some algae to synthesise halogen compounds, that has a requirement for the element vanadium