cupro-

cupro-

or cupri- or cupr-
pref.
Copper: cupriferous.

[From Late Latin cuprum, copper; see copper1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cupro-

,

cupri-

or before a vowel

cupr-

combining form
(Chemistry) indicating copper: cupronickel; cuprite.
[from Latin cuprum]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
1947: Cupro- nickel coins were issued by the British Mint to replace silver.