rheotaxis

[ ree-uh-tak-sis ]

noun

, Biology.

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

rheotaxis

/ ˌriːəˈtæksɪs; ˌriːəˈtæktɪk /

noun

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

Derived Forms

• rheotactic, adjective

Other Words From

• rhe·o·tac·tic [ree-, uh, -, tak, -tik], adjective

Word History and Origins

Origin of rheotaxis¹

First recorded in 1895–1900; rheo- + -taxis