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rheotaxis

(rē′ə tak′sis)

noun

a positive, or negative, response of a freely moving organism to flow with, or against, a current of water, air, etc.

Origin: ModL: see rheo- & taxis

Related Forms:

rheotactic adjective

See rheotaxis in American Heritage Dictionary 4

noun

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

Related Forms:

rheˌo·tacˈtic (-tăkˈtĭk) adjective

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