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heliotaxis

 - 3 dictionary results

he⋅li⋅o⋅tax⋅is

  [hee-lee-oh-tak-sis]
Use heliotaxis in a Sentence
–noun Biology.
movement of an organism toward or away from sunlight.
Origin:
1895–1900; helio- + -taxis

Related forms:
he⋅li⋅o⋅tac⋅tic  [hee-lee-oh-tak-tik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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he·li·o·tax·is   (hē'lē-ō-tāk'sĭs)   
n.  The movement of an organism in response to the light of the sun.
he'li·o·tac'tic (-tāk'tĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: he·lio·tax·is
Pronunciation: "hE-lE-O-'tak-s&s
Function: noun
Inflected Form: plural he·lio·tax·es /-"sEz/
: a taxis in which sunlight is the directive factor
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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