calcium oxalate

noun

: a crystalline salt CaC2O4 normally deposited in many plant cells and in animals sometimes excreted in urine or retained in the form of urinary calculi

Examples of calcium oxalate in a Sentence

Recent Examples on the Web
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Many popular houseplants contain insoluble calcium oxalate crystals, tiny needle-like structures found in their leaves and stems. Ryan Brennan, Fort Worth Star-Telegram, 14 July 2026 Insoluble calcium oxalate-containing plants make up a large category of plants that are toxic to pets indoors. Ryan Brennan, Miami Herald, 14 July 2026 Routhenstein warned that people prone to calcium oxalate kidney stones may also want to limit their intake. Christina Manian, Health, 23 June 2026 The results showed calcium oxalate stones. Dr. John De Jong, Boston Herald, 15 Mar. 2026 See All Example Sentences for calcium oxalate

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of calcium oxalate was in 1868

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Cite this Entry

“Calcium oxalate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20oxalate. Accessed 23 Jul. 2026.

Medical Definition

calcium oxalate

noun
: a colorless crystalline salt CaC2O4·H2O that is noted for its insolubility and is sometimes excreted in urine or retained in the form of urinary calculi
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