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Definition of "vanadium" []

  • A bright white, soft, ductile metallic element found in several minerals, notably vanadinite and carnotite, having good structural strength and used in rust-resistant high-speed tools, as a carbon stabilizer in some steels, as a titanium-steel bonding agent, and as a catalyst. Atomic number 23; atomic weight 50.942; melting point 1,890°C; boiling point 3,000°C; specific gravity 6.11; valence 2, 3, 4, 5. See Table at element. (noun)
  • A toxic silvery-white metallic element occurring chiefly in carnotite and vanadinite and used in steel alloys, high-speed tools, and as a catalyst. Symbol: V; atomic no: 23; atomic wt: 50.9415; valency: 2–5; relative density: 6.11; melting pt: 1910±10°C; boiling pt: 3409°C (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A toxic silvery-white metallic element occurring chiefly in carnotite and vanadinite and used in steel alloys, high-speed tools, and as a catalyst. Symbol: V; atomic no: 23; atomic wt: 50.9415; valency: 2–5; relative density: 6.11; melting pt: 1910±10°C; boiling pt: 3409°C (noun)

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Use "vanadium" in a sentence
  • "In the journal Science, researchers at the University of California-Irvine say they've manipulated a bacterial enzyme called vanadium nitrogenase that usually produces ammonia from nitrogen gas."
  • "One promising flow battery type is called a vanadium redox battery, and the way it works sheds some light on why these batteries can last so long."
  • "As it happened, in addition to radium, carnotite rock also contained much larger quantities of a metal called vanadium, which proved to be a hardening agent when blended into steel."