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
References in periodicals archive ?
The mainstay of the paper is formed by an analysis of Sarraute's understanding of constructions of the feminine subject, her idea that language can both uncover and disguise reality, her exploration of the anonymity of subjects' lives, and her tropistic poetry.
(8) It begins its career as a monstrous animal chimera--reptile-insect-crustacean-arachnid--mechanically restless, driven by a tropistic need to reproduce and kill.