Etymology: < vitriolizev. + -ablesuffix.Previous versions of the OED give the stress as: vitrioˈlizable.
That may be vitriolized; capable of being converted into vitriol.
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vitriolizable1796
1796 R. KirwanElements Mineral. (ed. 2) II. 82 That the Iron, in Pyrites, [is] spontaneously Vitriolizable.
1828–32 in N. Webster Amer. Dict. Eng. Lang. [Hence in later Dicts.]
This entry has not yet been fully updated (first published 1920; most recently modified version published online June 2019).