• Rotation

    Origin

    From Latin rotationem, accusative of rotatio.

    Full definition of rotation

    Noun

    rotation

    (plural rotations)
    1. (chiefly uncountable) The act of turning around a centre or an axis.
      • 2013-03, Frank Fish, George Lauder, Not Just Going with the Flow, An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.
    2. The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
    3. A single complete cycle around a centre or an axis.Earth's moon completes a rotation every twenty-seven days or so.
    4. A regular variation in a sequence.crop rotationThe medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.
    5. (mathematics) An operation that a continuous isometry deformation that fixes at least one point can result in.The function mapping (x,y) to (−y,x) is a rotation.
    6. (baseball) The set of of a team.
    7. (aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll.
    © Wiktionary