rhe·o·tax·is 
(rē′ə-tăksĭs)
(rē′ə-tăksĭs)n.
Movement of an organism in response to a current of water.
rhe′o·tactic (-tăktĭk) adj.
- interscholastically
- inter se
- intersect
- intersection
- intersectionality
- intersession
- intersessional
- intersex
- intersexual
- intersexuality
- intersexually
- interspace
- interspatial
- interspecies
- interspecific
- intersperse
- interspersedly
- interspersion
- interstate
- interstellar
- interstellar medium
- interstice
- interstitial
- interstitially
- intertestamental