noun
: soap in powdered form made by grinding dried soap chips or by spray-drying crutched soap ; especially : a mixture of soap with large amounts of one or more alkaline builders — compare washing powder
noun
: soap in powdered form made by grinding dried soap chips or by spray-drying crutched soap ; especially : a mixture of soap with large amounts of one or more alkaline builders — compare washing powder
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012