Meaning of saponin

sap•o•nin

Pronunciation: (sap'u-nin), [key]
— n. Biochem.
  1. any of a group of amorphous glycosides of terpenes and steroids, occurring in many plants, characterized by an ability to form emulsions and to foam in aqueous solutions, and used as detergents.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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