vitamin H

noun

biotin.

vitamin H

noun

another name (esp US and Canadian) for biotin

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Word History and Origins

Origin of vitamin H¹

First recorded in 1930–35

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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.

Others were called biotin, Vitamin H, Coenzyme R. Two months ago scientists at Cornell and Western Reserve announced that all these substances were one & the same.