cupro-

cupro-

or cupri- or cupr-

pref.

Copper: cupriferous.

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[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