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
Almonds are particularly rich in fiber, calcium, and vitamin E.26 Walnuts have high amounts of alpha-linolenic acid, a type of omega-3.27
Nuts (along with fish, leafy greens, and whole grains) are a key component of the Mediterranean diet.
—
Amanda MacMillan, Health, 1 June 2024
Since calcium is an essential mineral in bones, individuals in areas with drinking water that has more calcium may have higher bone mineral density and may be less prone to osteoporosis.
—Sarah Blank, The Conversation, 20 May 2024
Dark leafy greens such as collards and kale are high in calcium.
—Avery Hurt, Discover Magazine, 20 May 2024
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
See all Example Sentences for calcium 
Amanda MacMillan, Health, 1 June 2024
Since calcium is an essential mineral in bones, individuals in areas with drinking water that has more calcium may have higher bone mineral density and may be less prone to osteoporosis.
—Sarah Blank, The Conversation, 20 May 2024
Dark leafy greens such as collards and kale are high in calcium.
—Avery Hurt, Discover Magazine, 20 May 2024
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
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.
Dictionary Entries Near calcium
Cite this Entry
“Calcium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium. Accessed 8 Jun. 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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