cholecalciferol


cho·le·cal·cif·er·ol

noun
\ˌkō-lə-(ˌ)kal-ˈsif-ə-ˌrl, -ˌrōl\

Definition of CHOLECALCIFEROL

: a sterol C27H43OH that is a natural form of vitamin D found especially in fish, egg yolks, and fish-liver oils and is formed in the skin on exposure to sunlight or ultraviolet rays—called also vitamin D, vitamin D3

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