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NEAT Scheme
neaten
Neath
neath
neatnik
NEB
Neb.
neb
Nebbiolo
nebbish
NEbE
NEbN
Nebr.
Nebraska
nebula
nebular hypothesis
nebuliser
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necessary condition
nec·es·sar·y con·di·tion (plural nec·es·sar·y con·di·tions)


noun 
Definition:
 
precondition: something that must happen or exist in order for something else to happen or exist
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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