vitamin

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noun vi·ta·min \ˈvī-tə-mən, British usually ˈvi-\

Definition of vitamin

  1. :  any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or sometimes produced within the body

Examples of vitamin in a Sentence

  1. This cereal contains essential vitamins and minerals.

  2. Did you remember to take your vitamin?

Recent Examples of vitamin from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vitamin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of vitamin

alteration of vitamine, from Latin vita life + English amine

Other Biochemistry Terms


VITAMIN Defined for English Language Learners

vitamin

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noun

Definition of vitamin for English Language Learners

  • : a natural substance that is usually found in foods and that helps your body to be healthy

  • : a pill containing vitamins


VITAMIN Defined for Kids

vitamin

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noun vi·ta·min \ˈvī-tə-mən\

Definition of vitamin for Students

  1. :  any of a group of substances that are found naturally in many foods, are necessary in small quantities for good health and normal development and functioning, and are designated by a capital letter and sometimes a number vitamin B6 vitamin C


Medical Dictionary

noun vi·ta·min \ˈvīt-ə-mən, British also ˈvit-\

Medical Definition of vitamin

  1. :  any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or are sometimes produced within the body



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