geotaxis

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ge·o·tax·is

 (jē′ō-tăk′sĭs)
n.
Movement of a motile organism using the earth's gravity for orientation.

ge′o·tac′tic (-tĭk) adj.
ge′o·tac′ti·cal·ly adv.
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.

geotaxis

(ˌdʒiːəʊˈtæksɪs)
n
(Biology) movement of an organism in response to the stimulus of gravity
ˌgeoˈtactic, ˌgeoˈtactical adj
ˌgeoˈtactically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ge•o•tax•is

(ˌdʒi oʊˈtæk sɪs)

n.
oriented movement of a motile organism toward or away from a gravitational force.
[1960–65]
ge`o•tac′tic (-tɪk) adj.
ge`o•tac′ti•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

geotaxis

the movement of an organism in response to the force of gravity.
See also: Gravity, Motion
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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