Definition of “ammonia” - English Dictionary

british dictionary

“ammonia” in British English

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ammonianoun [ U ]

uk /əˈməʊ.ni.ə/ us /əˈmoʊ.ni.ə/


  • I had also hoped that I might in this way produce the acid necessary to combine with the ammonia at very small cost.
  • The ammonia salts are volatile, and many of them sublimate without being decomposed.
  • The smoke is an irritant, both by its temperature and from its destructive ingredients, the carbon soot and the ammonia which it conveys.
  • The solution is diluted, filtered if necessary, and treated with ammonia in excess.
  • With aqua ammonia, it is converted into the black, fulminating silver.

(Definition of “ammonia” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“ammonia” in American English

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ammonianoun [ U ]

us /əˈmoʊn·jə/

a gas or liquid with a strong smell, having various industrial uses such as in cleaning

(Definition of “ammonia” from the Cambridge Academic Content Dictionary © Cambridge University Press)