Medical Dictionary


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noun quil·la·ja \kwi-ˈlā-yə, -jə\

Medical Definition of quillaja

  1. 1 capitalized :  a genus of trees of the rose family (Rosaceae) native to Brazil, Peru, and Chile, distinguished by their saponaceous bark, and including the soapbark (Q. saponaria)

  2. 2:  soapbark 2

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