tropism

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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.
[see -tropy, -ism]
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:
Noun1.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