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nyctitropic

[nik-ti-trop-ik, -troh-pik] /ˌnɪk tɪˈtrɒp ɪk, -ˈtroʊ pɪk/
adjective, Botany
1.
tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants.
Origin
1875-1880
1875-80; nycti- + -tropic
Related forms
nyctitropism
[nik-ti-truh-piz-uh m] /nɪkˈtɪ trəˌpɪz əm/ (Show IPA),
noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nyctitropism

nyctitropism

/nɪkˈtɪtrəˌpɪzəm/
noun
1.
a tendency of some plant parts to assume positions at night that are different from their daytime positions
Derived Forms
nyctitropic (ˌnɪktɪˈtrɒpɪk) adjective
Word Origin
C19: nyct-, from Greek nukt-, nux night + -tropism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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