Meaning of Roman vitriol | Babel Free

Definitions

Synonym of copper(II) sulfate.

obsolete, possibly, uncountable

Examples

“Then add two ounces of gum-arabic, and one of Roman vitriol, which infuse four days before straining, and the ink is done.”

“The scalding mixture, generally used, is made in the following manner: Take of corosive sublimate, verdigrease in fine powder, and Roman vitriol, of each two drams; of green vitriol, or copperas, half an ounce; of oil of turpentine and train oil, ...”

“First in the liquor composed of mordant and fustic, then in green vitriol and Roman vitriol, washed off and repeated according to the colour wanted.”

CEFR level