chromium

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Natural resources: gold, chromium, antimony, coal, iron ore, manganese, nickel, phosphates, tin, uranium, gem diamonds, platinum, copper, vanadium, salt, natural gas

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Definitions (5)

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  1. noun A lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. It is used in the hardening of steel alloys and the production of stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 51.996; melting point 1,890°C; boiling point 2,482°C; specific gravity 7.18; valence 2, 3, 6. See Table at element.

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Examples (47)

  • It had been washed recently, though, and the chromium--what there was--had been polished. —  063 - The Motion Menace
  • Hexavalent chromium, the chemical featured in the 2000 movie "Erin Brockovich," is used to remove pipe corrosion and has been linked to lung cancer.
  • Hexavalent chromium, the chemical featured in the 2000 movie Erin Brockovich, is used to remove pipe corrosion and has been linked to lung cancer.
  • Small quantities of asbestos, chromium, and mica are exploited commercially.
  • This Oregonian story raises the question of whether National Guard soldiers dispatched to Iraq to protect private contractors are suffering medical ailments because of their exposure to a commonly used anti-corrosive agent called hexavalent chromium, the same chemical made famous by activist Erin Brockovich. —  Statesman - AP Sports
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Etymologies (2)

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  1. From French chrome; see chrome.

Toggle Century etymologies Century Dictionary (1)

  1. New Latin (from the beautiful colors of its compounds), from Greek χρῶμα, color, + -ium.
 

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/ˈkroʊmiəm/
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