zinc

Definitions

General English

Agriculture

  • noun a white metallic trace element, essential to biological life. It is used in alloys and as a protective coating for steel.

Banking

  • noun a metal which is traded on commodity markets, such as the London Metal Exchange

Cars & Driving

  • noun a metallic element used in galvanizing metals, die-casting, as a constituent in various alloys, as a battery electrode, etc.

Construction

  • A metallic element used for galvanizing steel sheet and steel or iron castings, as an alloy in various metals, as an oxide for white paint pigment, and as a sacrificial element in a cathodic protection system. Characterized by its brittleness in ordinary temperatures.

Electronics

  • A lustrous bluish-white metallic chemical element whose atomic number is 30. Below 100 or 110 °C it is brittle, but above this temperature it becomes malleable and ductile. Zinc has been known since ancient times, can be refined to better than 99.999999%, and has about 25 known isotopes, of which 4 are stable. Its applications include its use for galvanization, in important alloys such as brass, in fuses, batteries, lasers, and semiconductors. Its chemical symbol is Zn.
  • chemical symbolZn
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