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cal·cif·er·ol | \ kal-ˈsi-fə-ˌrȯl 
, -ˌrōl \
, -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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calciferol
nouncal·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 drisdolComments on calciferol
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The first known use of calciferol was in 1931
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