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|Noun||1.||fat-soluble vitamin - any vitamin that is soluble in fats|
vitamin - any of a group of organic substances essential in small quantities to normal metabolism
antiophthalmic factor, axerophthol, vitamin A, A - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
calciferol, cholecalciferol, D, ergocalciferol, viosterol, vitamin D - a fat-soluble vitamin that prevents rickets
E, tocopherol, vitamin E - a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body