Meaning of green vitriol in English:
green vitriol
noun
mass noun archaicCrystalline ferrous sulphate.
‘The acids are extracted from the partially decomposed bark and, after drying for storage, are freshly mixed for use with wine and green vitriol.’- ‘When the production of green vitriol was no longer convenient, the factory was closed and in 1872 demolished.’
- ‘‘The source of the iron in medieval inks is green vitriol, an iron sulfate,’ Olin continues.’
- ‘In a little while all the liquid had disappeared and there were left beautiful green crystals; sulphate of iron, or green vitriol, is the name of them.’
- ‘Much green vitriol was prepared at Deptford from ‘martial pyrites’ the common name then for IRON pyrites.’
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