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[kyoo-pruh-moh-nee-uh m, -mohn-yuh m, koo-] /ˌkyu prəˈmoʊ ni əm, -ˈmoʊn yəm, ˌku-/
noun, Chemistry.
any cation containing copper and ammonia.
Origin of cuprammonium
First recorded in 1860-65; cupr- + ammonium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Historical Examples
  • The author notes that the so-called hydrocellulose (Girard) is almost insoluble in cuprammonium, as is starch.

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

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

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