单词	counterirritant
释义	counterirritant noun coun·​ter·​ir·​ri·​tant ˌkau̇n-tər-ˈir-ə-tənt  1 : an agent applied locally to produce superficial inflammation with the object of reducing inflammation in deeper adjacent structures 2 : an irritation or discomfort that diverts attention from another counterirritant adjective Word History First Known Use 1844, in the meaning defined at sense 1 Medical Definition counterirritant noun coun·​ter·​ir·​ri·​tant -ˈir-ə-tənt  : an agent applied locally to produce superficial inflammation with the object of reducing inflammation in deeper adjacent structures
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