[kyoo-pruh-moh-nee-uh m, -mohn-yuh m, koo-]

noun Chemistry.

any cation containing copper and ammonia.

Origin of cuprammonium

First recorded in 1860–65; cupr- + ammonium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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.

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

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