rheotaxis

[ree-uh-tak-sis]

noun Biology.

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

Nearby words

  1. rheomorphism,
  2. rheopexy,
  3. rheoreceptor,
  4. rheostat,
  5. rheostosis,
  6. rheotron,
  7. rheotropism,
  8. rhesian,
  9. rhestocythemia,
  10. rhesus

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

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.