Any of a group of glycosides, found in soapbark, etc., which form a soapy foam when dissolved in water: used as detergents, etc.
Webster's New World
Other Word Forms of Saponin
Origin of Saponin
From Latin sāpō sāpōn- hair dye of Germanic origin
From American Heritage Dictionary of the English Language, 5th Edition
sapon- +"Ž -in
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