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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.
Derived Forms
- ˌvitaˈminic, adjective
Other Words From
- vita·minic adjective
Word History and Origins
Word History and Origins
Origin of vitamin1
A Closer Look
Example Sentences
This sounds like sugar's keeping us fed, but added sugars are actually empty calories – they are bereft of any nutrients like vitamins or fibers.
The new study is not the only evidence of the benefit of including IV vitamin C as part of cancer treatment.
Expectant mothers and women trying to conceive should continue to take supplementary folic acid - the synthetic version of the vitamin folate - as currently advised by medical practioners.
Famine and food shortages in Gaza mean pregnant women are not getting enough folate, iron, vitamin B12 and iodine.
If external factors have any role, it is minimal compared to genetic risk and generally has to do with air pollution or vitamin deficiencies, not with vaccines.
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