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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.

Lavallo is referring to Ronald Breslow, a Columbia University chemist who proposed in 1958 that vitamin B1 could transform into a carbene to enable key biochemical reactions.

From Science Daily • Apr. 11, 2026

One limitation of the study is that vitamin D levels were measured only once rather than tracked over time.

From Science Daily • Apr. 7, 2026

Kiwis “I try to eat one a day. They’re an incredible source of vitamin C.”

From The Wall Street Journal • Apr. 6, 2026

Their vitamin C body oils smell great, and adding them to my bath makes me feel productive.

From Los Angeles Times • Apr. 3, 2026

But we also need vitamin B-12, which is only found in animals.

From "The Omnivore's Dilemma" by Michael Pollan




Vocabulary lists containing vitamin