calcium
Pronunciation
  • (America) enPR: kăl′sē-əm, IPA: /ˈkælsi.əm/
Noun

calcium

  1. The chemical element (Symbol Ca), with an atomic number 20. It is a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
  2. (countable) An atom of this element.
Translations


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