hydrotaxis

American

[hahy-druh-tak-sis] / ˌhaɪ drəˈtæk sɪs /

noun

Biology.

oriented movement toward or away from water.

hydrotaxis British

/ ˌhaɪdrəʊˈtæksɪs /

noun

the directional movement of an organism or cell in response to the stimulus of water

"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

Other Word Forms

hydrotactic

adjective

Etymology

Origin of hydrotaxis

First recorded in 1895–1900; hydro- ¹ + -taxis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023