Medical Dictionary


noun cal·cif·er·ol \kal-ˈsif-ə-ˌrl, -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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