: a crystalline steroid alcohol C27H43OH that occurs chiefly in higher animals and humans (as in the skin), that is made synthetically from cholesterol, and that yields vitamin D3 on irradiation with ultraviolet light

called also 7-dehydrocholesterol

Word History


dehydr- + cholesterol

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Dictionary Entries Near dehydrocholesterol

Cite this Entry

“Dehydrocholesterol.” Dictionary, Merriam-Webster, Accessed 14 Jul. 2024.

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