noun🔗ShareサポニンAny of various steroid glycosides found in plant tissues that dissolve in water to give a soapy froth."The herbal soap we used in the science class contained saponins, which created a thick, soapy lather when mixed with water. "理科の授業で使用したハーブ石鹸にはサポニンが含まれており、水と混ぜると濃く泡立ちました。plantsubstancechemistrybiochemistryChat with AIVocabulary GamePractice Reading