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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

Roo's bottle of vitamin D3 drops - which were about seven times more concentrated than they should have been - was from one of two bad batches distributed across the UK.

From BBC • Apr. 16, 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

For decades, scientists believed that vitamin B1, also known as thiamine, might briefly form a carbene-like structure inside cells to help drive essential biochemical reactions.

From Science Daily • Apr. 11, 2026

The fruit is soaked with oil and rich in beta-carotene, vitamin C, and, surprisingly, protein.

From "1491" by Charles C. Mann




Vocabulary lists containing vitamin