calciferol

noun

cal·cif·er·ol | \ kal-ˈsi-fə-ˌrȯl

, -ˌrōl\

Definition of calciferol

: an alcohol C₂₈H₄₃OH usually prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally in the control of rickets and related disorders

— called also vitamin D₂

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The first known use of calciferol was in 1931

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calciferol

noun

cal·cif·er·ol | \ kal-ˈsif-ə-ˌrȯl, -ˌrōl

Medical Definition of calciferol

: an alcohol C₂₈H₄₃OH usually prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally especially in the control of rickets

— called also ergocalciferol, viosterol, vitamin D, vitamin D₂

— see drisdol