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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.

Blood tests showed him to be fit and healthy apart from a slightly lower than normal level of vitamin D.

From BBC • Apr. 16, 2026

Roo was prescribed a high dose of vitamin D3 drops for 12 weeks in December 2024 to try to ease intense pain in his legs.

From BBC • Apr. 16, 2026

The mutation appears to enhance the activity of enzymes that convert vitamin A into its active forms.

From Science Daily • Apr. 15, 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

Green grass has large quantities of beta-carotene, vitamin E, and folic acid.

From "The Omnivore's Dilemma" by Michael Pollan




Vocabulary lists containing vitamin