calculous

adjective

cal·​cu·​lous ˈkal-kyə-ləs How to pronounce calculous (audio)
: caused or characterized by a calculus or calculi

Word History

Etymology

borrowed from Latin calculōsus "full of pebbles, suffering from calculi," from calculus "pebble, bladder or kidney stone" + -ōsus -ous — more at calculus

First Known Use

1605, in the meaning defined above

Time Traveler
The first known use of calculous was in 1605

Rhymes for calculous

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Browse Nearby Words

calculiform
calculous
calculus
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Cite this Entry

“Calculous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calculous. Accessed 8 Jul. 2026.

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Medical Definition

calculous

adjective
cal·​cu·​lous ˈkal-kyə-ləs How to pronounce calculous (audio)
: caused or characterized by a calculus or calculi
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