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vitamin 音標拼音: [v'ɑɪtəmən] n. 維他命,維生素 維他命,維生素 vitamin n 1: any of a group of organic substances essential in small quantities to normal metabolismVitamin \ Vit" a* min\ ( v[ imac] t"[. a]* m[ i^] n), n. any of several organic chemical substances not synthesized by an animal and required in small quantities for normal metabolism, present in and obtained from the natural foods eaten by the animal. Human vitamins are also produced synthetically, and taken in pure form or in mixtures, as dietary supplements. Deficiencies of specific vitamins lead to certain specific disorders, such as scurvy, caused by an insufficiency of vitamin C ( ascorbic acid). Note: Most vitamins act as coenzymes or precursors to coenzymes, and are not consumed for energy production or incorporated into structural units of the cell. [ PJC] 39 Moby Thesaurus words for " vitamin": adermin, adjuvant, aneurin, antiberi- beri factor, ascorbic acid, axerophthol, biotin, carminative, carotene, cholecalciferol, choline, cobalamin, counterirritant, cryptoxanthin, cyanocobalamin, emmenagogue, ergocalciferol, expectorant, folic acid, hepatoflavin, hormone, inositol, lactoflavin, maturative, menadione, naphthoquinone, niacin, nicotinic acid, ovoflavin, pyridoxine, tocopherol, vasodilator, vitamin B, vitamin Bc, vitamin D, vitamin G, vitamin H, vitamin K, vitamin M
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