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cupreous

[kyoo-pree-uh s, koo-] /ˈkyu pri əs, ˈku-/
adjective
1.
copper-colored; metallic reddish-brown.
2.
consisting of or containing copper; copperlike.
Origin of cupreous
1660-1670
1660-70; < Late Latin cupreus, equivalent to cupr(um) copper1 + -eus -eous
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for cupreous

cupreous

/ˈkjuːprɪəs/
adjective
1.
of, consisting of, containing, or resembling copper; coppery
2.
of the reddish-brown colour of copper
Word Origin
C17: from Late Latin cupreus, from cuprumcopper1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cupreous
adj.

1660s, from Late Latin cupreus "of copper," from cuprum, alternative form of cyprum "copper" (see copper (n.1)). Related: Cupric (1799).

Online Etymology Dictionary, © 2010 Douglas Harper
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12
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