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calcium citrate

noun

: a white, odorless powder C12H10Ca3O14 used especially as a food additive and dietary supplement
Most calcium supplements are made with either calcium carbonate or calcium citrate.The Chicago Tribune

Examples of calcium citrate in a Sentence

Recent Examples on the Web
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It should be noted that while certain forms of calcium, like calcium citrate, can be taken with or without food, other forms, like calcium carbonate, should be taken with meals.1 3. Jillian Kubala, Health, 10 Nov. 2025 Therefore, calcium citrate may be preferred over calcium carbonate in people with low stomach acid levels. Trang Tran, Verywell Health, 5 Nov. 2025

Word History

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of calcium citrate was in 1887

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Cite this Entry

“Calcium citrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20citrate. Accessed 1 Dec. 2025.

Medical Definition

calcium citrate

noun
: a white, odorless powder C12H10Ca3O14 used especially as a dietary calcium supplement and food additive
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