blue vitriol, copper sulphate.
| 单词 | θ69066 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphates > of copper (7) Roman vitriol?a1425 blue vitriol, copper sulphate. blue copperas1617 A name given from early times to the protosulphates of copper, iron, and zinc (distinguished as blue… Protosulphate of copper: blue copperas. 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… copper-vitriol1770 = blue vitriol n. at blue, adj. n.compounds 1b(c), copperas, n. 1c. |
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