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nitrohydrochloric acid
nitromethane
nitroparaffin
nitrosamine
nitrous
nitrous acid
nitrous oxide
nitty-gritty
nitwit
Niue
Niuean
nival
niveous
nix
nixie (1)
nixie (2)
nixy
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nitrogen dioxide
ni·tro·gen di·ox·ide


noun 
Definition:
 
poisonous brown gas: a highly poisonous brown gas often present in smog and exhaust from vehicles. Use: manufacture of nitric and sulfuric acids. NO2
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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