calcitriol

C3A1L1C3I1T1R1I1O1L1
US/ˌkæl.sɪˈtɹaɪˌɔl/

noun

A physiologically active metabolic derivative C₂₇H₄₄O₃ of cholecalciferol (1,25-dihydroxycholecalciferol) that is synthesized in the liver and kidney and stimulates the intestinal absorption of calcium.

OriginEnglish triol ← Latin calx ← Ancient Greek χᾰ́λῐξ (khắlĭx)bor.? →
UncommonScrabble 14
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Meanings

nouncalcitriol (usually uncountable, plural calcitriols)

plural calcitriols

  1. uncountableusuallybiochemistryA physiologically active metabolic derivative C₂₇H₄₄O₃ of cholecalciferol (1,25-dihydroxycholecalciferol) that is synthesized in the liver and kidney and stimulates the intestinal absorption of calcium.

Origin

  1. Ancient Greekχᾰ́λῐξ (khắlĭx)bor.?
  2. Latincalx
  3. Englishcalcium
  4. Englishcalci-
  5. Englishtriol
  6. Englishcalcitriol

From calci- (“vitamin D derivative”) + triol.

Full word history & related roots →

Translations

German Calcitriol
  • CalcitriolTranslations
Japanese カルシトリオール
  • カルシトリオール (karushitoriōru)Translations
Portuguese calcitriol
  • calcitriolTranslations
Spanish calcitriol
  • calcitriolTranslations
Cite this entry
APA

calcitriol. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/calcitriol

MLA

“calcitriol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/calcitriol. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “calcitriol,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/calcitriol.

Source: calcitriol on Wiktionary, CC BY-SA 4.0.