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nidus
niece
niello
nielsbohrium
nieve
nieve penitente
NIF
nifedipine
niff
nifty
Nig.
nigella
Niger
Niger-Congo
Nigeria
Nigerian English
niggard
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World English Dictionary
Dictionnaire Français

night blindness
night blind·ness


noun 
Definition:
 
impaired sight in dim light: an inability to see clearly in dim light while having normal vision in clear light.
Technical name  nyctalopia

night-blind adjective
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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