nyctinastic
Syllabification: (nyc·ti·nas·tic)
Pronunciation: /ˌniktəˈnastik/
Definition of nyctinastic
adjective
BotanyDerivatives
Origin:
early 20th century: from Greek nux, nukt- 'night' + nastos 'pressed' + -ic
early 20th century: from Greek nux, nukt- 'night' + nastos 'pressed' + -ic