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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.

Many previous studies examining vitamin D and cancer have focused on much higher doses than those used in this research.

From Science Daily • Apr. 28, 2026

Men need about 1.4mg a day and women 1.2mg of vitamin B6, according to the NHS.

From BBC • Apr. 22, 2026

The secretary downplayed last year’s measles outbreak in West Texas and promoted vitamin A, which is not a substitute for vaccination or a viable treatment.

From Salon • Apr. 22, 2026

“Inadequate nutrition, particularly vitamin A deficiency, can impair the lining of the digestive tract, predisposing birds to inflammation and secondary illness.”

From Los Angeles Times • Apr. 20, 2026

As it turned out, liver was the only available source of vitamin C—and on liver I stuffed, without knowing why.

From "My Side of the Mountain" by Jean Craighead George




Vocabulary lists containing vitamin