saponin saponify • saponite · · · Info · Definitions · Characters · · saponin · · Text Latin · · Script 7 · · Length Definitions · · · (noun) any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers. · · Noun Definition 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073