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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.

One option that has gained popularity is biotin, a vitamin commonly promoted for stronger hair and nails.

From Science Daily • May 7, 2026

Determining precisely how many babies have died or suffered severe brain damage because of a lack of vitamin K is difficult.

From Salon • May 7, 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

The vitamin K shot is one of the three main interventions, along with the hepatitis B vaccine and an antibiotic ointment in the eyes, that newborns typically receive before leaving the hospital.

From Salon • May 7, 2026

We are, after all, a planet where the rain contains vitamin B12!

From "The Lives of a Cell" by Lewis Thomas




Vocabulary lists containing vitamin