Last modified on 12 December 2014, at 01:08

rotation

EnglishEdit

Fitness training: body rotations with 225 lbs on.

EtymologyEdit

From Latin rotationem, accusative of rotatio.

NounEdit

rotation (plural rotations)

  1. (chiefly uncountable) The act of turning around a centre or an axis.
    • 2013 March 1, Frank Fish, George Lauder, “Not Just Going with the Flow”, American Scientist, volume 101, number 2, page 114: 
      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.
    The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
  2. A single complete cycle around a centre or an axis.
    Earth's moon completes a rotation every twenty-seven days or so.
  3. A regular variation in a sequence.
    crop rotation
    The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.
  4. (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.
  5. (baseball) The set of starting pitchers of a team.
  6. (aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll.

TranslationsEdit

External linksEdit


FrenchEdit

EtymologyEdit

Latin rotationem, accusative of rotatio.

NounEdit

rotation f (plural rotations)

  1. rotation

External linksEdit


SwedishEdit

NounEdit

rotation c

  1. act of turning a physical object or a coordinate system around a center or an axis

DeclensionEdit