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From Longman Dictionary of Contemporary English
Related topics: Compounds
ammoniaam‧mo‧ni‧a /əˈməʊniə $ -ˈmoʊ-/ noun [uncountable]  1 a clear liquid with a strong bad smell that is used for cleaning or in cleaning products2 HCCa poisonous gas with a strong bad smell that is used in making many chemicals, fertilizers etc
Examples from the Corpus
ammoniaThen another reactor would be needed to, for example, convert ammonia into hydrazine.Essentially the bacteria change the harmful ammonia and nitrites that are produced into harmless nitrates that are useful to living plants.The major Billingham-based production includes ammonia, nitric acid, urea and both straight nitrogen and compound fertilizers.Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.
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