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nitrite bacterium
nitro
nitro-
nitroaniline
nitrobacterium
nitrobenzene
nitrocellulose
nitrochloroform
nitrofuran
nitrofurantoin
nitrogen
nitrogen balance
nitrogen cycle
nitrogen dioxide
nitrogen fixation
nitrogen mustard
nitrogen narcosis
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nitric oxide
ni·tric ox·ide


noun 
Definition:
 
colorless poisonous gas: a colorless poisonous gas. Source: ammonia, atmospheric nitrogen. NO
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