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calcium
DEFINITIONS OF:
calcium
1
n
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
Synonyms:
Ca
,
atomic number 20
Types:
calcium ion
,
factor IV
ion of calcium; a factor in the clotting of blood
Type of:
metal
,
metallic element
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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