vitriolāˈtion noun

vitriolic /-olˈ/ adjective

1. Relating to, or having the qualities of, vitriol
2. Biting, scathing, expressing intense ill-will

vitriolizāˈtion or vitriolisāˈtion noun

vitˈriolize or vitˈriolise transitive verb

1. To vitriolate
2. To injure with vitriol

elixir of vitriol

Aromatic sulphuric acid (ie sulphuric acid mixed with certain other substances for use in medicine)

oil of vitriol

Concentrated sulphuric acid (because formerly prepared from green vitriol)