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[hahy-dro-truh-piz-uh m] /haɪˈdrɒ trəˌpɪz əm/
noun, Biology.
oriented growth in response to water.
Origin of hydrotropism
First recorded in 1880-85; hydro-1 + -tropism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for hydrotropism


the directional growth of plants in response to the stimulus of water
Derived Forms
hydrotropic (ˌhaɪdrəʊˈtrɒpɪk) adjective
hydrotropically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hydrotropism in Medicine

hydrotropism hy·drot·ro·pism (hī-drŏt'rə-pĭz'əm)
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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hydrotropism in Science
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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