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View synonyms for vitamin

vitamin

[ vahy-tuh-min; British also vit-uh-min ]

noun

  1. 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

  1. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

vitamin

/ tə-mĭn /

  1. 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

  • vita·minic adjective
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Word History and Origins

Origin of vitamin1

1912; earlier vitamine < Latin vīt ( a ) life + amine; coined by C. Funk, who thought they were amines
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Word History and Origins

Origin of vitamin1

C20: vit- from Latin vīta life + -amin from amine ; so named by Casimir Funk , who believed the substances to be amines
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A Closer Look

Although it has been known for thousands of years that certain diseases can be treated with specific foods, the scientific link between vitamins and good health wasn't made until the early 1900s by Polish-born American biochemist Casimir Funk. While studying beriberi, a disease that causes depression, fatigue, and nerve damage, Funk discovered an organic compound in rice husks that prevents the illness. He named the compound vitamine, derived from the chemical name amine and the Latin word vita , "life," because vitamins are required for life and were originally thought to be amines. Funk's compound is now known as vitamin B 1 , or thiamine. His research and discovery led him, along with English biochemist Sir Frederick Gowland Hopkins, to propose the vitamin hypothesis of deficiency, which stated that certain diseases, such as scurvy or rickets, are caused by dietary deficiencies and can be avoided by taking vitamins. Further research allowed scientists to isolate and identify the vitamins that we know today to be essential for human health. Vitamins include A, C, D, E, K, thiamine, riboflavin, niacin, B 6 , B 12 , folic acid, biotin, and pantothenic acid. Vitamins are distinguished from minerals, such as calcium, iron, and magnesium, which are also essential for optimum health.
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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.

From Salon

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.

From BBC

Famine and food shortages in Gaza mean pregnant women are not getting enough folate, iron, vitamin B12 and iodine.

From Salon

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.

From Salon

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