rhe·o·tax·is (r   -t k s s)n. Movement of an organism in response to a current of water or air. rhe o·tactic (-tktk) adj. |
rheotaxis [ˌriːəˈtæksɪs]
n
(Life Sciences & Allied Applications / Biology) movement of an organism towards or away from a current of water
rheotactic [ˌriːəˈtæktɪk] adj
rheotaxis
the tendency of certain living things to move in response to the mechanical stimulus of a current of water.
See also: Motionthe tendency of some plants to respond to a current of water by growing with it (positive rheotaxis) or against it (negative rheotaxis).
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