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Definitions

vitamin

[vahy-tuh-min, vit-uh-min] / ˈvaɪ tə mɪn, ˈvɪt ə mɪn /
NOUN
nutrient
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was given supplements containing vitamin D3 – also known as colecalciferol – to raise the levels in his blood.

From BBC • Apr. 16, 2026

Blood tests showed him to be fit and healthy apart from a slightly lower than normal level of vitamin D.

From BBC • Apr. 16, 2026

The mutation appears to enhance the activity of enzymes that convert vitamin A into its active forms.

From Science Daily • Apr. 15, 2026

Further analysis revealed that mice with the mutation produced increased levels of ATDR, a metabolite derived from vitamin A, in their brains.

From Science Daily • Apr. 15, 2026

Now, I suppose you’re going to say, but, Mister Ibis, these people were primitives, they didn’t have radio controls and vitamin pills and jet airplanes.”

From "American Gods" by Neil Gaiman




Vocabulary lists containing vitamin