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soapbark
soap·bark S0521200 (sōp′bärk′)n.1. A Chilean evergreen tree (Quillaja saponaria) of the rose family, having bark used as soap and as a source of saponin.2. The bark of this tree.soapbark (ˈsəʊpˌbɑːk) n1. (Plants) Also called: quillai a W South American rosaceous tree, Quillaja saponaria, with undivided evergreen leaves and small white flowers2. (Forestry) Also called: quillai bark the inner bark of this tree, formerly used as soap and as a source of saponin3. (Plants) any of several trees or shrubs that have a bark similar to thisSoapbark
Soapbark the bark of the soapbark tree (Quilliaja saponaria) of the family Rosaceae. The tree is native to South America. Soapbark contains up to 9 percent saponins. It is used as a lathering agent in preparing emulsions. Soapbark is used instead of soap to wash silk and woolen fabrics. |