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vitamin
[ vahy-tuh-min; British also vit-uh-min ]
noun
- any 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.
vitamin
/ ˈvɪtəmɪn; ˈvaɪ- /
noun
- any of a group of substances that are essential, in small quantities, for the normal functioning of metabolism in the body. They cannot usually be synthesized in the body but they occur naturally in certain foods: insufficient supply of any particular vitamin results in a deficiency disease
vitamin
/ vī′tə-mĭn /
- Any of various organic compounds that are needed in small amounts for normal growth and activity of the body. Most vitamins cannot be synthesized by the body, but are found naturally in foods obtained from plants and animals. Vitamins are either water-soluble or fat-soluble. Most water-soluble vitamins, such as the vitamin B complex, act as catalysts and coenzymes in metabolic processes and energy transfer and are excreted fairly rapidly. Fat-soluble vitamins, such as vitamins A, D, and E are necessary for the function or structural integrity of specific body tissues and membranes and are retained in the body.
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Derived Forms
- ˌvitaˈminic, adjective
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Other Words From
- vita·minic adjective
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Word History and Origins
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Word History and Origins
Origin of vitamin1
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A Closer Look
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Example Sentences
I take calcium and vitamin D supplements, but prescription medications are generally only for women in menopause.
This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.
The irony in it all is that our bodies need, if not crave, Vitamin D—and more than a chewable tablet.
The summertime staple is also a good source of potassium, vitamin A and vitamin C. 2.
At 96 percent water, cukes have no saturated fat or cholesterol, and are very high in vitamin K, vitamin B6 and iron.
They carefully devised vitamin-free, protein-free, mineral-free diets that tasted like library paste and smelled worse.
Digestibility, as well as protein, mineral and vitamin requirements, must also be considered.
Vitamin B complex, vitamin C—and, finally, half a dozen highly questionable contraceptive pills?
The essential element of foods is the vitamin, a nitrogenous substance of indeterminate nature.
Moreover, he had isolated a vitamin in this protein not found in any of man's present foods.
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