vanadium

va*na*di*um

noun

{bc}a silvery-grayish malleable ductile metallic element obtained from minerals and used especially to form alloys and in catalysts {dx}see {dxt|Chemical Elements Table|element|table}{/dx}

vanadium pentoxide

noun

{bc}a yellowish-red crystalline compound V{inf}2{/inf}O{inf}5{/inf} used especially in glass manufacture and as a catalyst