Cauterism :: Cauterism (n.) The use or application of a caustic; cautery.
Cauterization :: Cauterization (n.) The act of searing some morbid part by the application of a cautery or caustic; also, the effect of such application..
Cauterize :: Cauterize (v. t.) To burn or sear with a cautery or caustic.
Cauterize :: Cauterize (v. t.) To sear, as the conscience..