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hydrotaxis

[hahy-druh-tak-sis]
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noun Biology.
  1. oriented movement toward or away from water.

Origin of hydrotaxis

First recorded in 1895–1900; hydro-1 + -taxis
Related formshy·dro·tac·tic [hahy-druh-tak-tik] /ˌhaɪ drəˈtæk tɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hydrotaxis

hydrotaxis

noun
  1. the directional movement of an organism or cell in response to the stimulus of water
Derived Formshydrotactic, adjective
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

hydrotaxis in Medicine

hydrotaxis

(hī′drə-tăksĭs)
n.
  1. Movement of a cell or an organism in response to moisture.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.