tropism
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to tropism: viral tropism
tro·pism
(trō′pĭz′əm)n.
The turning or bending movement of an organism or a part of an organism in a particular direction in response to an external stimulus such as light or gravity.
[From -tropism.]
tro′pic, tro·pis′tic adj.
tro·pis′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.
tropism
(ˈtrəʊpɪzəm)n
(Biology) the response of an organism, esp a plant, to an external stimulus by growth in a direction determined by the stimulus
[from Greek tropos a turn]
ˌtropisˈmatic adj
tropistic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tro•pism
(ˈtroʊ pɪz əm)n.
the orientation of an organism toward or away from a stimulus, as light.
[1895–1900; independent use of -tropism]
tro•pis′tic (-ˈpɪs tɪk) adj.
-tropism
var. of -tropy.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
tro·pism
(trō′pĭz′əm) Growth or movement of a plant or animal toward or away from an external stimulus, such as light, heat, or gravity.
tropistic 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.
tropism
the tendency of a plant, animal, or part to move or turn in response to an external stimulus, as sunlight or temperature. — tropistic, adj.
See also: Motion-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
tropism
Directional growth movement of a plant in response to a stimulus.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun | 1. | tropism - an involuntary orienting response; positive or negative reaction to a stimulus source response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age" ergotropism - an affinity for work geotropism - an orienting response to gravity heliotropism - an orienting response to the sun meteortropism - an effect of climate on biological processes (as the effect on joint pains etc.) neurotropism - an affinity for neural tissues phototropism - an orienting response to light trophotropism - an orienting response to food thermotropism - an orienting response to warmth |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
tropism
n (Biol) → Tropismus m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
tro·pism
n. tropismo, tendencia de una célula u organismo a reaccionar de una forma definida (positiva o negativa) en respuesta a estímulos externos.
English-Spanish Medical Dictionary © Farlex 2012