/ Dictionary / Index D diosgenin: Meaning and Definition of Find definitions for: di•os•gen•in Pronunciation: (dī"oz-jen'in, dī-oz'ju-nin), [key] — n. Biochem. a crystalline compound, CHO, the aglycone of dioscin: used in the synthesis of steroidal hormones, as of progesterone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dioscuri diosmose Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language