kidney stone

noun

: a calculus (as of calcium salts) in the kidney

Examples of kidney stone in a Sentence

Recent Examples on the Web
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Some studies have shown that following high-protein diets can help burn extra calories, Aziz said, but consuming too much protein can increase the risk of kidney stones, heart attacks and strokes. — Sadie Chafe, FOXNews.com, 15 Oct. 2026 Shapiro says those with dealing with health issues such gallstones or bile duct obstruction, kidney stones, iron-deficiency anemia, and liver disease should consult their doctors. — Nadine El Chaer, Vogue, 19 Sep. 2026 Spinach contains oxalate, which may affect calcium absorption and contribute to kidney stones. — Lauren Panoff, Verywell Health, 9 Sep. 2026 Watch for the dehydration symptoms Alfano flags, including constipation, low energy, brain fog, headaches and dry skin, and the more serious complications Martorano cites, including kidney stones and urinary tract infections. — Hanna Wickes, Charlotte Observer, 8 Sep. 2026 See All Example Sentences for kidney stone

Word History

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of kidney stone was in 1874

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Cite this Entry

“Kidney stone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kidney%20stone. Accessed 18 Oct. 2026.

Medical Definition

kidney stone

noun
: a calculus in the kidney

called also renal calculus

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