vitriol
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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
(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.