Definition of cuprammonium in English:

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cuprammonium

Pronunciation: /ˌkyo͞oprəˈmōnēəm/

noun

[as modifier] Chemistry
A complex ion, Cu(NH3)42+, formed in solution when ammonia is added to copper salts. The solution is deep blue and is used to dissolve cellulose.
Example sentences
  • By contrast, the cuprammonium rayon fibers are made from cotton linters as main raw material.
  • If ammonia is added to a copper compound then a deep blue solution called cuprammonium hydroxide is formed.
  • The two most commonly used production methods for rayon are the cuprammonium process and the viscose process.

For editors and proofreaders

Syllabification: cu·pram·mo·ni·um

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