viosterol

[vahy-os-tuh-rawl, -rol]

noun

Biochemistry.

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

Word History and Origins

Origin of viosterol¹

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

Example Sentences

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