cupreousadj.
/ˈkjuːpriːəs/ 1. Of copper; of the nature of copper; consisting of or containing copper.
ΘΚΠ
the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > copper
cupreous1666
copperish1667
cupriferous1784
the world > matter > chemistry > elements and compounds > metals > specific elements > copper > [adjective]
cupreous1666
cuprous1669
society > occupation and work > materials > derived or manufactured material > metal > base metal > [adjective] > of, like, or relating to copper
cupreous1666
copperish1667
cuprous1669
copper1720
coppery1791
1666 R. Boyle Origine Formes & Qualities A Cupreous Resin.
1693 F. Slare in Philos. Trans. (Royal Soc.) 17 900 Such Particles as are of a Cupreous Nature.
1807 T. Thomson Syst. Chem. (ed. 3) II. 398 Boracic acid and cupreous salts tinge it green.
1857 J. Scoffern et al. Useful Metals & their Alloys 530 Wicklow..has long been celebrated for its cupreous deposits.
2. Resembling copper; copper-coloured.
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the world > matter > colour > named colours > brown or brownness > [adjective] > reddish brown > copper
copper-coloured1697
copper1699
copperish1774
coppery1791
cupreous1804
copper-brown1842
1804 Philos. Trans. (Royal Soc.) 94 316 It is most frequently of the colour of bronze, passing to a pale cupreous-red.
1849 H. D. Thoreau Week Concord & Merrimack Rivers 32 This bright cupreous dolphin.
This entry has not yet been fully updated (first published 1893; most recently modified version published online September 2021).
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adj.1666