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hydrotropism

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hy⋅drot⋅ro⋅pism

  [hahy-dro-truh-piz-uhm]
Use hydrotropism in a Sentence
–noun Biology.
oriented growth in response to water.
Origin:
1880–85; hydro- 1 + -tropism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·drot·ro·pism   (hī-drŏt'rə-pĭz'əm)   
n.  Growth or movement in a sessile organism toward or away from water, as of the roots of a plant.
hy'dro·tro'pic (hī'drə-trō'pĭk, -trŏp'ĭk) adj., hy'dro·tro'pi·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: hy·dro·tro·pism
Pronunciation: hI-'drä-tr&-"piz-&m; "hI-dr&-'trO-"piz-&m, -'trä-
Function: noun
: a tropism in which water or water vapor is the orienting factor
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

hydrotropism hy·drot·ro·pism (hī-drŏt'rə-pĭz'əm)
n.
Growth or movement in a sessile organism toward or away from water.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
hydrotropism   (hī-drŏt'rə-pĭz'əm)  Pronunciation Key 
The growth or movement of a fixed organism, especially a plant, or a part of an organism toward or away from water. Roots often display hydrotropism in growing towards a water source.

hydrotropic adjective (hī'drə-trō'pĭk, hī'drə-trŏp'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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