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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.

The new study found that vitamin B2 metabolism plays an important role in these protective defenses.

From Science Daily • May 15, 2026

To explore the idea further, the researchers tested roseoflavin, a naturally occurring compound produced by bacteria that has a structure similar to vitamin B2.

From Science Daily • May 15, 2026

Biotin, also known as vitamin B7, helps the body produce proteins such as keratin, which supports hair, skin and nails.

From Science Daily • May 7, 2026

Although it is not a vaccine, the vitamin K shot has been swept up in the same post-pandemic tide that has led to a drop in key childhood vaccines, including for measles and whooping cough.

From Salon • May 7, 2026

I find prenatal vitamin recommendations, sonograms, and photocopies of each visit to the doctor.

From "Everything, Everything" by Nicola Yoon




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