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Definition of nitrogen noun from the Oxford Advanced American Dictionary

 

nitrogen

 noun
noun
NAmE//ˈnaɪtrədʒən//
 
[uncountable] (symbol N)
 
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a chemical element. Nitrogen is a gas that is found in large quantities in the earth's atmosphere.
nitrogenous
 
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NAmE//naɪˈtrɑdʒənəs//
 
adjective
See the Oxford Advanced Learner's Dictionary entry: nitrogen

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