Medical Dictionary

calciferol

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

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears