• (v. t.) To injure (a person) with vitriol, or sulphuric acid, as by throwing it upon the face. • (v. t.) To convert into a vitriol; to vitriolate.
Vit'ri·ol·ize transitive verb [ Confer French vitrioliser .] To convert into a vitriol; to vitriolate. 
vitriolize, vitriolizing, vitriolized 1. To convert into a vitriol; to vitriolate. 2. To injure or to burn (a person) with vitriol, or sulphuric acid, by throwing it on the face.