Simple Definition of calcium
: 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
Examples of calcium
Her doctor said she should eat more foods that are high in calcium, such as milk and cheese.
Origin of calcium
New Latin, from Latin calc-, calx lime
First Known Use: 1808
CALCIUM Defined for Kids
Definition of calcium
: a silvery soft metallic chemical element that is essential for strong healthy bones
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