• synonyms


[hahy-dro-truh-piz-uh m]
noun Biology.
  1. oriented growth in response to water.
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Origin of hydrotropism

First recorded in 1880–85; hydro-1 + -tropism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hydrotropism


  1. the directional growth of plants in response to the stimulus of water
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Derived Formshydrotropic (ˌhaɪdrəʊˈtrɒpɪk), adjectivehydrotropically, 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

hydrotropism in Medicine


  1. Growth or movement in a sessile organism toward or away from water.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hydrotropism in Science


  1. 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.
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Related formshydrotropic adjective (hī′drə-trōpĭk, hī′drə-trŏpĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.