cholecalciferol(redirected from Vitamin D-3)
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See vitamin D3.
(Biochemistry) a compound occurring naturally in fish-liver oils, used to treat rickets. Formula: C27H44O. Also: vitamin D3 See also calciferol
any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, esp. cod and halibut: essential for the formation of normal bones and teeth.
a form of vitamin D obtained by ultraviolet irradiation of ergosterol.
a form of vitamin D, C27H43OH, occurring in fish-liver oils, that differs from vitamin D2 by slight structural differences in the molecule. Also called cholecalciferol.