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NY-LON
nyabinghi
nyala
nyam
Nyanja
nyatiti
nybble
nyctalopia
nyctinasty
nyctitropism
nyctophobia
nyetwork
nylon
nym
NYMEX
nymph
nympha
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nyctinasty
nyctinasty [ níkti nasti ] (plural nyctinasties)


noun 
Definition:
 
plant movement caused by darkness: a movement of a plant or plant part in response to the onset of darkness, e.g. the shutting of the petals of a flower at night
[Mid-20th century. < Greek nukt- 'night']
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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