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

First Known Use of calciferol

1931, in the meaning defined above

History and Etymology for calciferol

calciferous + ergosterol

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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

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