bn:00006850n
Noun Concept
Categories: Calcium, Reducing agents, Articles with short description, World Health Organization essential medicines, Dietary supplements
EN
calcium  Ca  atomic number 20  20Ca  Ca+2
EN
A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals WordNet 3.0
English:
element
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EN
A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals WordNet 3.0 & Open English WordNet
Calcium is a chemical element; it has symbol Ca and atomic number 20. Wikipedia
Chemical element with symbol Ca and atomic number 20. Wikipedia Disambiguation
A malleable silvery-white metallic element of the alkaline earth group with symbol Ca and atomic number 20; the fifth most abundant element in the earth crust, occurring especially as forms of calcium carbonate. It is an essential constituent of bones and teeth and is used as a deoxidizer in steel. OmegaWiki
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. Wiktionary
Chemical element of atomic number 20. Wiktionary (translation)