nyctinasty noun
- botany a nastic movement, such as the closing of petals, that occurs in response to the alternation of day and night
Derived Formsnyctinastic, adjectiveWord Origin for nyctinasty C20: from Greek nukt-, nux night + -nasty
nyctinasty noun
Derived Formsnyctinastic, adjectiveWord Origin for nyctinasty C20: from Greek nukt-, nux night + -nasty