calcium
noun
cal·ci·um
ˈkal-sē-əm 
often attributive
: a metallic chemical element of the alkaline-earth group that occurs naturally only in combination and is essential to cellular functions in all known organisms see Chemical Elements Table
Examples of calcium in a Sentence
Her doctor said she should eat more foods that are high in calcium, such as milk and cheese.
Recent Examples on the Web
Brand to offer gluten-free, air-fryer options In addition to high protein, the products will contain vitamin A, potassium, calcium and iron.
—
Anthony Robledo, USA TODAY, 22 May 2024
Unless the diet is carefully optimized, additional sources of B12, calcium, iron, zinc, iodine and vitamin D may be needed to avoid a deficiency, according to the Mayo Clinic.
—Cnn.com Wire Service, The Mercury News, 15 May 2024
See all Example Sentences for calcium 
Anthony Robledo, USA TODAY, 22 May 2024
Unless the diet is carefully optimized, additional sources of B12, calcium, iron, zinc, iodine and vitamin D may be needed to avoid a deficiency, according to the Mayo Clinic.
—Cnn.com Wire Service, The Mercury News, 15 May 2024
See all Example Sentences for calcium
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'calcium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Calcium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium. Accessed 29 May. 2024.
Copy CitationKids Definition
calcium
noun
cal·ci·um
ˈkal-sē-əm
: a silver-white soft metallic element that is found only in combination with other elements (as in limestone) and is one of the necessary elements making up the bodies of most plants and animals see element
Medical Definition
calcium
noun
cal·ci·um
ˈkal-sē-əm
often attributive
: 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 Chemical Elements Table
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