- any of certain metallic sulfates of glassy appearance, as copper sulfate or blue vitriol, iron sulfate or green vitriol, zinc sulfate or white vitriol, etc.
- oil of vitriol; sulfuric acid.
- something highly caustic or severe in effect, as criticism.
- to treat with or as with vitriol, especially sulfuric acid.
- another name for sulphuric acid
- any one of a number of sulphate salts, such as ferrous sulphate (green vitriol), copper sulphate (blue vitriol), or zinc sulphate (white vitriol)
- speech, writing, etc, displaying rancour, vituperation, or bitterness
- to attack or injure with or as if with vitriol
- to treat with vitriol
