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calcitriol

American  
[kal-si-tree-awl, -ol] / kælˈsɪ triˌɔl, -ˌɒl /

noun

  1. Biochemistry. a vitamin D compound, C 27 H 44 O 3 , occurring in humans as a hormone derived from cholesterol, that acts in the regulation and absorption of calcium.

  2. Pharmacology. a preparation of this compound, used in the treatment of osteoporosis and bone fracture.

Etymology

Origin of calcitriol

1975–80; apparently calci(um) + triol

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.