1. saponin

noun. any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers.


  • -in (English)
  • sapon- (English)
  • sapo (Latin)

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Sentences with saponin

1. Noun, singular or mass
Hostas don't contain enough saponin to make soap, but they contain enough to make them harmful to dogs by this foaming action.