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viosterol

American  
[vahy-os-tuh-rawl, -rol] / vaɪˈɒs təˌrɔl, -ˌrɒl /

noun

Biochemistry.

  1. a vitamin D preparation produced by the irradiation of ergosterol.

Etymology

Origin of viosterol

(ultra)vi(olet) + (erg)osterol

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.

Nutritionists this year are stressing Vitamin A. Vitamin D—derived from cod or halibut liver oils, manufactured as viosterol, or developed in the body by natural or artificial sunlight—is essential for the utilization of bone building lime salts in the body.

From Time Magazine Archive

At Philadelphia Alfred Fabian Hess of Manhattan and associates advised milk from cows fed with irradiated yeast or viosterol as an excellent general preventive.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.