Meaning & use
calcium
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A soft gray chemical element (symbol Ca, atomic number 20) that is an essential mineral for bones, teeth, and many biological processes.
See it in a sentence
Dairy products like milk and cheese are rich sources of calcium.
The doctor recommended a calcium supplement to strengthen her bones.
A note on using this word
Calcium is the fifth most abundant element in the human body and the most abundant mineral, found chiefly in bones and teeth.
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