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nitroaniline
nitrobacterium
nitrobenzene
nitrocellulose
nitrochloroform
nitrofuran
nitrofurantoin
nitrogen
nitrogen balance
nitrogen cycle
nitrogen dioxide
nitrogen fixation
nitrogen mustard
nitrogen narcosis
nitrogenase
nitrogenize
nitrogenous base
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nitrous oxide
ni·trous ox·ide


noun 
Definition:
 
sweet-smelling gas: a colorless nonflammable sweet-smelling sweet-tasting gas. Use: anesthetic. N2O
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