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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.

Kayan, who is now 13, was already living with several complex medical conditions including chronic kidney disease, and the eight-week course of vitamin D prescribed by his GP was in line with recommendations.

From BBC • Apr. 16, 2026

They did not initially have concerns about the vitamin D prescription, as he was only two-thirds of the way through a course of the recommended dose.

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

For decades, scientists believed that vitamin B1, also known as thiamine, might briefly form a carbene-like structure inside cells to help drive essential biochemical reactions.

From Science Daily • Apr. 11, 2026

Not to mention that she’s wearing sweatpants that have seen too many wears, and a way-too-big T-shirt that says “I need vitamin sea” that I’m pretty sure is her dad’s.

From "Red Flags and Butterflies" by Sheryl Azzam




Vocabulary lists containing vitamin