VANADIUM
vanadium, atomic number
(noun) a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
Source: WordNet® 3.1
Etymology
Noun
vanadium (countable and uncountable, plural vanadiums)
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.
Synonyms
• panchromium (name proposed by the mineralogist Andrés Manuel del Río)
• rionium (name proposed by the geologist George William Featherstonhaugh)
Source: Wiktionary
Va*na"di*um, n. Etym: [NL., fr. Icel. Vanadis, a surname of the
Scandinavian goddess Freya.] (Chem.)
Definition: A rare element of the nitrogen-phosphorus group, found
combined, in vanadates, in certain minerals, and reduced as an
infusible, grayish-white metallic powder. It is intermediate between
the metals and the non-metals, having both basic and acid properties.
Sumbol V (or Vd, rarely). Atomic weight 51.2.
Source: Webster’s Unabridged Dictionary 1913 Edition