|1.||another name for sulphuric acid|
|2.||any one of a number of sulphate salts, such as ferrous sulphate (green vitriol), copper sulphate (blue vitriol), or zinc sulphate (white vitriol)|
|3.||speech, writing, etc, displaying rancour, vituperation, or bitterness|
|—vb , -ols, -oling, -oled, -olling, -olled|
|4.||to attack or injure with or as if with vitriol|
|5.||to treat with vitriol|
|[C14: from Medieval Latin vitriolum, from Late Latin vitriolus glassy, from Latin vitrum glass, referring to the glossy appearance of the sulphates]|
vitriol vit·ri·ol (vĭt'rē-ōl', -əl)
Any of various sulfates of metals, such as ferrous sulfate, zinc sulfate, or copper sulfate.
See sulfuric acid.