释义 |
WordReference Random House Learner's Dictionary of American English © 2024vi•ta•min /ˈvaɪtəmɪn/USA pronunciation also vi•ta•mine /ˈvaɪtəmɪn, -ˌmin/USA pronunciation n. [countable]- Biochemistry, Nutritionany of a group of substances that are essential to the body in small quantities for normal metabolism, found in very small amounts in foods and also produced artificially.
See -vit-. WordReference Random House Unabridged Dictionary of American English © 2024vi•ta•min (vī′tə min; Brit. also vit′ə min),USA pronunciation n. - Biochemistry, Nutritionany of a group of organic substances essential in small quantities to normal metabolism, found in minute amounts in natural foodstuffs or sometimes produced synthetically: deficiencies of vitamins produce specific disorders.
Also, vi•ta•mine (vī′tə min, -mēn′; Brit. also vit′ə min, -mēn′).USA pronunciation - Latin vīt(a) life + amine; coined by C. Funk, who thought they were amines
- earlier vitamine 1912
vi′ta•min′ic, adj. WordReference Random House Unabridged Dictionary of American English © 2024vitamin E, - Biochemistry, Nutritiona pale-yellow viscous fluid, abundant in vegetable oils, whole-grain cereals, butter, and eggs, and important as an antioxidant in the deactivation of free radicals and in maintenance of the body's cell membranes: deficiency is rare. Also called alpha-tocopherol. Cf. tocopherol.
Collins Concise English Dictionary © HarperCollins Publishers:: vitamin E n - another name for tocopherol
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