Definitions

from The Century Dictionary.

  • noun In chem., the compound radical in certain salts obtained by the action of ammonia upon the ordinary salts of copper.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun inorganic chemistry The cation Cu(NH3)42+ formed by adding ammonia to copper salts

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

cupro- +‎ ammonium

Examples

  • "cuprammonium" solution dissolved some of the cellulose which reprecipitated during passage through the succeeding acid bath, filling the pores of the cloth enough to make it "water resistant" but not "water-proof".

    John B. Fenn - Autobiography

  • Cuprammonium rayon, also known as Bemberg or cupra rayon, is named after a step in its processing in which cellulose is dissolved in a cuprammonium hydroxide solution.

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  • Viscose rayon, cuprammonium rayon, high wet-modulus rayon, and lyocell and their care … Acetate and triacetate and their care … Nylon and its care … Polyester and its care … Acrylic and modacrylic and their care … Spandex and its care … Polypropylene and its care … Microfibers … Blends … Caring for hydrophobic synthetic fibers

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  • Cuprammonium rayon, also known as Bemberg or cupra rayon, is named after a step in its processing in which cellulose is dissolved in a cuprammonium hydroxide solution.

    HOME COMFORTS

  • Nosing around outside I lifted a small flap on the cover of a large tank half full of cuprammonium solution.

    John B. Fenn - Autobiography

  • Fabrics made from cuprammonium rayon tend to be more resilient than viscose rayon—that is, they do not wrinkle so easily.

    HOME COMFORTS

  • Cuprammonium rayon, also known as Bemberg or cupra rayon, is named after a step in its processing in which cellulose is dissolved in a cuprammonium hydroxide solution.

    HOME COMFORTS

  • Viscose rayon, cuprammonium rayon, high wet-modulus rayon, and lyocell and their care … Acetate and triacetate and their care … Nylon and its care … Polyester and its care … Acrylic and modacrylic and their care … Spandex and its care … Polypropylene and its care … Microfibers … Blends … Caring for hydrophobic synthetic fibers

    HOME COMFORTS

  • Viscose rayon, cuprammonium rayon, high wet-modulus rayon, and lyocell and their care … Acetate and triacetate and their care … Nylon and its care … Polyester and its care … Acrylic and modacrylic and their care … Spandex and its care … Polypropylene and its care … Microfibers … Blends … Caring for hydrophobic synthetic fibers

    HOME COMFORTS

  • Fabrics made from cuprammonium rayon tend to be more resilient than viscose rayon—that is, they do not wrinkle so easily.

    HOME COMFORTS

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