| 单词 | blue copperas |
| 释义 | > as lemmasblue copperas blue copperas n. = blue vitriol n. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > sulphates or sulphites > copper sulphate Roman vitriol?a1425 blue vitriol1560 blue copperas1646 bluestone1651 crystals, saffron, salt, vinegar, vitriol of Venus1693 vitriol of copper1694 blue vitriol1728 1646 Sir T. Browne Pseudodoxia Epidemica vi. xii. 337 For blew Copperose which deeply partakes of the copper will doe it but weakly. View more context for this quotation 1788 W. Nicholson tr. A.-F. de Fourcroy Elements Nat. Hist. & Chem. III. xviii. 304 By evaporation of the filtered liquor, a salt, in blue rhomboidal crystals, called cupreous vitriol, blue vitriol, blue copperas, or Cyprian vitriol, is obtained. 1837 Penny Cycl. VII. 505/1 Sulphuric acid and copper form sulphate of copper, blue vitriol, or Roman vitriol, or blue copperas. 1965 Econ. Hist. Rev. 17 490 Natural greens were not fast. They came from the chemicals verdigris and blue copperas (copper sulphate), and various plants. 2003 J. Miller Style Source Bk. (rev. ed.) 308 Notable types [of chemical stain] include..blue copperas, which gives most woods a light grey hue. blue copperas ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphates > of copper Roman vitriol?a1425 blue copperas1617 bluestone1651 crystals, saffron, salt, vinegar, vitriol of Venus1693 vitriol of copper1694 blue vitriol1728 copper-vitriol1770 1617 J. Woodall Surgions Mate 278 The best Coppras..is made of Copper, or of the Minerall of Copper. 1617 J. Woodall Surgions Mate 279 The best kinde of Coppras..is in colour of a pleasant blew. 1650 Sir T. Browne Pseudodoxia Epidemica (ed. 2) ii. ii. 50 The common conversion of Iron into Copper by the mediation of blew Coperose. 1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber iii. ii ii. xiii. 199 Vitriol and Copperas, which also is called Gum of Copper. < as lemmas |
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