Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A diurnal movement of plant parts, such as the opening during the day and closing during the night of certain flowers.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany The movement of
leaves orpetals in response todarkness ; the closing of aflower atnight .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Greek nux, nukt-, night; see nekw-t- in Indo-European roots + –nasty.]
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Examples
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bestiary commented on the word nyctinasty
nocturnal heliotropism.
July 22, 2008
qms commented on the word nyctinasty
Beware, little fly, entombment ghastly!
That blossom could be what you'll last see,
For should you alight
When day turns to night
The beckoning bud turns nictinasty.
February 29, 2016
vendingmachine commented on the word nyctinasty
Compare with thigmonasty.
February 29, 2016
bilby commented on the word nyctinasty
Eww, that's ....
February 29, 2016