单词	undecylenic acid
释义	undecylenic acid noun un·​dec·​y·​le·​nic acid ˌən-ˌde-sə-ˈle-nik-  -ˈlē-  : a fatty acid C11H20O2 found in perspiration, obtained commercially from castor oil, and used especially in the treatment of fungal infections (such as ringworm) of the skin Word History Etymology undecylene (C11H22) First Known Use 1879, in the meaning defined above Medical Definition undecylenic acid noun un·​dec·​y·​le·​nic acid ˌən-ˌdes-ə-ˌlen-ik-  -ˌlēn-  : an acid C11H20O2 found in perspiration, obtained commercially from castor oil, and used in the treatment of fungus infections (as ringworm) of the skin
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