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Retrograde rotation


rotation in an opposite direction from the typical rotation within a system

Venus, Pluto, and Uranus have retrograde rotation in our solar system.


Read Also:

  • Retrograde urography

    retrograde urography n. X-ray examination of the urinary tract following the injection of a contrast agent directly into the bladder, ureter, or renal pelvis. Also called cystoscopic urography.

  • Retrogress

    verb (used without object) 1. to go backward into an earlier and usually worse condition: to retrogress to infantilism. 2. to move backward. verb (intransitive) 1. to go back to an earlier, esp worse, condition; degenerate or deteriorate 2. to move backwards; recede 3. (biology) to develop characteristics or features of lower or simpler organisms; […]

  • Retrogression

    [re-truh-gresh-uh n] /ˌrɛ trəˈgrɛʃ ən/ noun 1. the act of retrogressing; movement backward. 2. Biology. degeneration; retrograde metamorphosis; passing from a more complex to a simpler structure. retrogression ret·ro·gres·sion (rět’rə-grěsh’ən) n. The act or process of deteriorating or declining. A return to a less complex biological state or stage.

  • Retrogressive

    [re-truh-gres-iv] /ˌrɛ trəˈgrɛs ɪv/ adjective 1. characterized by retrogression; degenerating.

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