Webster's Revised Unabridged Dictionary · 1913

Vitriolate

Vitriolate , transitive verb

(a)
(Old Chemistry) To convert into, or change to, a vitriol; to make into sulphuric acid or a sulphate.
(b)
(Old Chemistry) To subject to the action of, or impregnate with, vitriol.

Vitriolate , adjective

Vitriolated. [Rare]

Vitriolate , noun

(Old Chemistry) A sulphate.