51Թ

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heliotaxis

[ hee-lee-oh-tak-sis ]

noun

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

heliotaxis

/ ˌhiːlɪəʊˈtæksɪs; ˌhiːlɪəʊˈtæktɪk /

noun

  1. movement of an entire organism in response to the stimulus of sunlight
“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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Derived Forms

  • heliotactic, adjective
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Other 51Թ Forms

  • ···ٲ·پ [hee-lee-oh-, tak, -tik], adjective
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51Թ History and Origins

Origin of heliotaxis1

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

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