blue vitriol, copper sulphate.
| 单词 | θ71416 |
| 释义 | the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > sulphates or sulphites > copper sulphate (7) Roman vitriol?a1425 blue vitriol, copper sulphate. blue vitriol1560 deep blue, crystalline copper sulphate pentahydrate; cf. vitriol, n. 1. blue copperas1646 = blue vitriol n. bluestone1651 Copper sulphate; = blue vitriol n. at blue, adj. n.compounds 1b(c). Now chiefly historical. crystals, saffron, salt, vinegar, vitriol of Venus1693 So in crystals, saffron, salt, vinegar, vitriol of Venus (see quots.). Obsolete. vitriol of copper1694 With term indicating the base, as vitriol of cobalt, vitriol of copper, vitriol of iron, vitriol of lead, vitriol of silver, etc. blue vitriol1728 With distinguishing epithets. With adjectives of colour. blue vitriol, green vitriol, red vitriol, white vitriol, sulphate of copper, iron, cobalt… |
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