nyctitropic

Variant of nyctitropism

nyctitropism definition

nyc·ti·tro·pism (nik ti′trə piz′əm)

noun

the tendency of the leaves or petals of certain plants to assume a different position at night

Etymology: nycti- + -tropism

Related Forms:

  • nyctitropic nyc′·ti·trop′ic (-träp′ik) adjective

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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