• synonyms


[kyoo-prik, koo-]
  1. of or containing copper, especially in the bivalent state, as cupric oxide, CuO.
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Origin of cupric

First recorded in 1790–1800; cupr- + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cupric

Historical Examples of cupric

  • The numbers for cupric reduction were in excess of those obtained with the hexoses.

    Researches on Cellulose

    C. F. Cross

  • Contrast the action of heat on cupric nitrate and mercuric nitrate.

  • The first of these was no doubt finely divided copper metal; the second, third, and fourth were probably all cupric oxide.

    De Re Metallica

    Georgius Agricola

  • At more elevated temperatures other cupric compounds are produced which also give evidence of polymerisation.

  • The substances which enter into its composition are cupric oxide, lead oxide, lead peroxide, copper sulphide and lead sulphide.

British Dictionary definitions for cupric


  1. of or containing copper in the divalent state
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Word Origin for cupric

C18: from Late Latin cuprum copper
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

cupric in Medicine


  1. Of or containing divalent copper.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cupric in Science


[kōōprĭk, kyōō-]
  1. Containing copper, especially copper with a valence of 2. Compare cuprous.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.