Word of the Day
1 Bitter criticism or malice.
2 archaic, literary Sulphuric acid.
2.1 In names of metallic sulphates, e.g. blue vitriol (copper sulphate) and green vitriol (ferrous sulphate).
Late Middle English (denoting the sulphate of various metals): from Old French, or from medieval Latin vitriolum, from Latin vitrum ‘glass’.
Arguments full of vitriol between the brothers occasionally lead to physical confrontation.