cau·ter·ize
 ( also Brit   cau·ter·ise) /ˈkɑːtəˌraız/  verb  , -iz·es, -ized, -iz·ing [  + obj  ]
   medical   : to burn (something, such as a wound) with heat or a chemical substance in order to destroy infected tissue
   The doctors cauterized the wound.
  cau·ter·i·za·tion ( also Brit   cau·ter·i·sa·tion) /ˌkɑːtərəˈzeıʃən, Brit ˌkɔːtəˌraıˈzeıʃən/  noun   [  noncount  ]