1. A name given to certain combinations of sulphur and oxygen, or of these with the metals. Oil of vitriol, sulphuric acid. Green vitriol, copperas or green sulphate of iron. Red vitriol, or vitriol of Mars, a red sulphate of iron. Blue vitriol, sulphate of copper. White vitriol, a white sulphate of zinc. Cobalt vitriol, a sulphate of cobalt.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• vitrial,
• vitroil,
• vitrual,
• vitiriol,
• viterol,
• vitrol,
• vitrole,
• vitirol,
• mitrial,
• vitriole,
• viril,
• vitriual,
• estrilol,
• viriol,
• vittriol,
• vytriol,
• vatriol,
• vibriod,
• vitricx,
• vitricc

• vitriolic.

The adverb form of "vitriol" is "vitriolically".

The adjective form of the word "vitriol" is "vitriolic".

The plural of the "vitriol" can be the "vitriols".

The singular of the "vitriol" can be the "vitriol".