Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Movement of an organism in response to a current of water.

from The Century Dictionary.

  • noun The locomotion of a cell or of an organism in respect to currents of water: applied both to the movements of a myxomycete upon filter-paper over which water is flowing and to the movements of fish stemming a current.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology movement in response to a current (of water or air)

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From rheo- + -taxis

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Examples

  • There is also thigmotaxis, a response to touch, rheotaxis, a response to water currents, and a number of others.

    The Human Brain Asimov, Isaac 1963

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