First Known Use: 1808
Dictionary
calcium
noun, cal·ci·um often attributive \ˈkal-sē-əm\
: a substance that is found in most plants and animals and that is especially important in people for strong healthy bones
Full Definition of CALCIUM
: a silver-white divalent metallic element of the alkaline-earth group occurring only in combination — see element table
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Origin of CALCIUM
New Latin, from Latin calc-, calx lime
CALCIUM Defined for Kids
calcium
noun cal·ci·um \ˈkal-sē-əm\
Definition of CALCIUM for Kids
: a silvery soft metallic chemical element that is essential for strong healthy bones
Medical Dictionary
calcium
noun , cal·ci·um often attrib \ˈkal-sē-əm\
Medical Definition of CALCIUM
: a silver-white bivalent metallic element that is an alkaline earth metal, occurs only in combination, and is an essential constituent of most plants and animals—symbol Ca; see element table
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