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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

Chemists have achieved what many once considered impossible by stabilizing an extremely reactive molecule in water, confirming a 67-year-old theory about vitamin B1.

From Science Daily • Apr. 11, 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

Over-the-top vitamin regimens have become bragging rights—and revenue streams—for the health-conscious and wellness-obsessed.

From The Wall Street Journal • Mar. 20, 2026

The whole wrapped-up bundle, which was shaped like a large vitamin pill, bent slightly from side to side, then was still, then bent back and forth again.

From "The City of Ember" by Jeanne DuPrau




Vocabulary lists containing vitamin