Prograde Definition

Of or relating to the orbital revolution or axial rotation of a planetary or other celestial body that moves counterclockwise from west to east, in the same direction as most celestial bodies.
American Heritage
Of or relating to orbital motion in the same direction as the predominant motion in an orbital system.
American Heritage

Origin of Prograde

  • pro– (retro)grade

    From American Heritage Dictionary of the English Language, 5th Edition

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