rheotaxis

[ ree-uh-tak-sis ]
/ ˌri əˈtæk sɪs /

noun Biology.

oriented movement of an organism in response to a current of fluid, especially water.

Origin of rheotaxis

First recorded in 1895–1900; rheo- + -taxis
Related formsrhe·o·tac·tic [ree-uh-tak-tik] /ˌri əˈtæk tɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for rheotaxis

rheotaxis

/ (ˌriːəˈtæksɪs) /

noun

movement of an organism towards or away from a current of water

Derived Formsrheotactic (ˌriːəˈtæktɪk), 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

Medicine definitions for rheotaxis

rheotaxis

[ rē′ə-tăksĭs ]

n.

Movement of an organism in response to a current of fluid or air.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.