- Main Entry:
- cal·ci·tri·ol

- Pronunciation:
-
\ˌkal-sə-ˈtrī-ˌȯl, -ˌōl\
- Function:
- noun
: a physiologically active metabolic derivative C27H44O3 of cholecalciferol that is synthesized in the liver and kidney and stimulates the intestinal absorption of calcium—called also 1,25-dihydroxycholecalciferol