ammonia : Idioms & Phrases
Aldehyde ammonia
(Chem.) , a compound formed by the union of aldehyde with ammonia.
Webster 1913
ammonia alum
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noun a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
alum; ammonium alum.
WordNet
ammonia clock
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noun an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
WordNet
ammonia water
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noun a water solution of ammonia
ammonium hydroxide; ammonia.
WordNet
spirits of ammonia
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noun a solution of ammonium carbonate in ammonia water and alcohol
sal volatile.