nyctitropism


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nyctitropism

(nɪkˈtɪtrəˌpɪzəm)
n
(Botany) a tendency of some plant parts to assume positions at night that are different from their daytime positions
[C19: nyct-, from Greek nukt-, nux night + -tropism]
nyctitropic adj
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Other words spelled in the competition were recidivist, nyctitropism, roulade, and limuloid.