heliotaxis


Also found in: Thesaurus, Medical, Encyclopedia.

he·li·o·tax·is

 (hē′lē-ō-tăk′sĭs)
n.
The movement of an organism in response to the light of the sun.

he′li·o·tac′tic (-tăk′tĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heliotaxis

(ˌhiːlɪəʊˈtæksɪs)
n
(Physiology) movement of an entire organism in response to the stimulus of sunlight
heliotactic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

he•li•o•tax•is

(ˌhi li oʊˈtæk sɪs)

n.
movement of an organism toward or away from sunlight.
[1895–1900]
he`li•o•tac′tic (-tɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

heliotaxis

a tendency of certain plants to move in response to sunlight.
See also: Plants
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
Mentioned in ?