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