geotropism(redirected from geotropically)
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ge′o·tro′pic (jē′ə-trō′pĭk) 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.
(Botany) the response of a plant part to the stimulus of gravity. Plant stems, which grow upwards irrespective of the position in which they are placed, show negative geotropism
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ge•ot•ro•pism(dʒiˈɒ trəˌpɪz əm)
oriented movement or growth of an organism with respect to the force of gravity.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
The growth of an organism in response to gravity. The downward growth of plant roots is an example of geotropism.
geotropic (jē′ə-trō′pĭk, jē′ə-trŏp′ĭk) adjective
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Botany. the response of a plant to the force of gravity. — geotropic, adj.See also: Gravity
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.