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nitrazepam
nitre
nitric
nitric acid
nitric oxide
nitric oxide synthase
nitride
nitrify
nitrifying bacterium
nitrile
nitrile rubber
nitrite
nitrite bacterium
nitro
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nitroaniline
nitrobacterium
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nitrifying bacterium
ni·tri·fy·ing bac·te·ri·um (plural ni·tri·fy·ing bac·te·ri·a)


noun 
Definition:
 
soil-enriching bacterium: a soil bacterium that converts ammonia to nitrites and nitrates, making nitrogen available to plants
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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