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nitrofurantoin
nitrogen
nitrogen balance
nitrogen cycle
nitrogen dioxide
nitrogen fixation
nitrogen mustard
nitrogen narcosis
nitrogenase
nitrogenize
nitrogenous base
nitroglycerin
nitrohydrochloric acid
nitromethane
nitroparaffin
nitrosamine
nitrous
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nitrogenase

ni·trog·e·nase [ nī trójjə nàyss, nī trójjə nàyz ]


noun 
Definition:
 
enzyme for converting nitrogen to ammonia: an enzyme found in nitrogen-fixing bacteria that catalyzes the conversion of nitrogen to ammonia. It is a key component of the nitrogen cycle, providing nitrogen compounds for plants.

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