heliotaxis

[ hee-lee-oh-tak-sis ]

nounBiology.
  1. movement of an organism toward or away from sunlight.

Origin of heliotaxis

1
First recorded in 1895–1900; helio- + -taxis

Other words from heliotaxis

  • he·li·o·tac·tic [hee-lee-oh-tak-tik], /ˌhi li oʊˈtæk tɪk/, adjective

Words Nearby heliotaxis

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British Dictionary definitions for heliotaxis

heliotaxis

/ (ˌhiːlɪəʊˈtæksɪs) /


noun
  1. movement of an entire organism in response to the stimulus of sunlight

Derived forms of heliotaxis

  • heliotactic (ˌhiːlɪəʊˈtæktɪk), adjective

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