"cauterise" in the verb sense
1. cauterize, cauterise, burn
burn, sear, or freeze (tissue) using a hot iron or electric current or a caustic agent
"The surgeon cauterized the wart"
2. callous, cauterize, cauterise
make insensitive or callous deaden feelings or morals
Source: WordNet® (An amazing lexical database of English)
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