nyctitropic [nik-ti-trop-ik, -troh-pik] ExamplesWord Origin 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 of nyctitropic First recorded in 1875–80; nycti- + -tropic Related formsnyc·tit·ro·pism [nik-ti-truh-piz-uh m] /nɪkˈtɪ trəˌpɪz əm/, noun Examples from the Web for nyctitropism Historical Examples of nyctitropism

  • This will explain why attempts at explanation of the phenomenon of nyctitropism had hitherto proved so baffling.

    Life Movements in Plants, Volume II, 1919

    Sir Jagadis Chunder Bose

  • British Dictionary definitions for nyctitropism nyctitropism noun

    1. a tendency of some plant parts to assume positions at night that are different from their daytime positions

    Derived Formsnyctitropic (ˌnɪktɪˈtrɒpɪk), adjectiveWord Origin for nyctitropism C19: nyct-, from Greek nukt-, nux night + -tropism

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