Dictionary
stig•mas•ter•ol
Pronunciation: (stig-mas'tu-rôl", -rōl"), [key]—
n. Biochem.
a crystalline, water-insoluble steroid, C
29H
48O, present in soybeans or calabar beans, used chiefly as a raw material in the manufacture of progesterone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.