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| cal·ci·um [ kálssee əm ] |
noun |
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| Definition: |
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silver-white metallic element: a soft silvery white element that is an alkaline earth metal constituting about three percent of the Earth's crust. It is essential to the formation of bones and teeth.
Symbol Ca
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| [Early 19th century. < Latin calc-, stem of calx (see calx)] |
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