from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or containing univalent copper.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or of the nature of copper.
  • adj. Containing copper with an oxidation number of 1.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of, pertaining to, or derived from, copper; containing copper; -- said of those compounds of copper in which this element is present in its highest proportion.

from The Century Dictionary and Cyclopedia

  • Same as cupric.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or containing divalent copper


Ultimately from Latin cuprum ("copper"). (Wiktionary)



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