Definition of vitamin in English:

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vitamin

Pronunciation: /ˈvɪtəmɪn/
/ˈvʌɪtəmɪn/

noun

Any of a group of organic compounds which are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body: most people can get all the vitamins they need from a healthy diet [as modifier]: vitamin deficiency
More example sentences
  • Not so long ago, most people would not have had an ideal regular intake of vitamin C, a vitamin the human body cannot synthesize.
  • This is due to a lack of thiamine, a vitamin that is essential for the mechanisms by which energy is released from foodstuffs.
  • Other genes, to make the plant synthesise essential amino acids and vitamins, can also be added.

Origin

Early 20th century: from Latin vita 'life' + amine, because vitamins were originally thought to contain an amino acid.

For editors and proofreaders

Line breaks: vita|min

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