cauterization
  燒灼,腐蝕
  Cau·ter·i·za·tion n.  Med. The act of searing some morbid part by the application of a cautery or caustic; also, the effect of such application.
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  cauterization
       n : the act of coagulating blood and destroying tissue with a
           hot iron or caustic agent or by freezing [syn: cautery,
            cauterisation]