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[kyoo-pruh-moh-nee-uh m, -mohn-yuh m, koo-]
noun Chemistry.
  1. any cation containing copper and ammonia.
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Origin of cuprammonium

First recorded in 1860–65; cupr- + ammonium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cuprammonium

Historical Examples of cuprammonium

  • The author notes that the so-called hydrocellulose (Girard) is almost insoluble in cuprammonium, as is starch.

    Researches on Cellulose

    C. F. Cross

  • Cuprammonium solution was prepared by dissolving the precipitated cupric hydrate in 24 p.ct.

  • Waterproofing—rubber goods, cuprammonium processes, miscellaneous preparations.