Толковый словарь английского языка Oxford English Reference - cholecalciferol
Cholecalciferol
cholecalciferol
n. one of the D vitamins, produced by the action of sunlight on a cholesterol derivative widely distributed in the skin, a deficiency of which results in rickets in children and osteomalacia in adults. Also called vitamin D3. Etymology: CHOLE- + CALCIFEROL
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noun Etymology: International Scientific Vocabulary Date: 1955 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 ...Толковый словарь английского языка
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