A metallic element, atomic no. 23, atomic wt. 50.9415; a bioelement, its deficiency can result in abnormal bone growth and a rise in cholesterol and triacylglycerol levels. [Vanadis, Scand. goddess]
- v. group those elements resembling v. in chemical and metallurgic properties; included with v. are niobium and tantalum.
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va·na·di·um və-'nād-ē-əm n a grayish malleable ductile polyvalent metallic element found combined in minerals and used esp. to form alloys (as vanadium steel) symbol V see ELEMENT (table)
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(V) va·na·di·um (V) (və-naґde-əm) [Vanadis, a Norse deity] a rare, gray, metallic element; atomic number, 23; atomic weight, 50.942. Its salts have been used in treating various diseases. See also vanadiumism.Medical dictionary. 2011.