ALL meanings of nyctitropism
nyc·ti·trop·ic
N n - adjective nyctitropism tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants. 1
- noun nyctitropism a tendency of some plant parts to assume positions at night that are different from their daytime positions 0
- noun nyctitropism the tendency of the leaves or petals of certain plants to assume a different position at night 0