vitriol

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Related to oil of: oil of wintergreen, Oil of bergamot, Oil of Olay, Oil of Ulay

vit·ri·ol

(vit'rē-ol),
Any of the various salts of sulfuric acid, for example, blue vitriol (cupric sulfate), green vitriol (ferrous sulfate), white vitriol (zinc sulfate).
[L. vitreolus, glassy]

vitriol, oil of

vitriol

(vĭt′rē-ōl) [L. vitriolum]
A sulfate of any of various metals.

vit·ri·ol

(vit'rē-ol)
Any of the various salts of sulfuric acid.