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See also: Rotation
- (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”, in 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.
- A single complete cycle around a centre or an axis.
- Earth's moon completes a rotation every twenty-seven days or so.
- A regular variation in a sequence, such as to even-out wear, or people taking turns in a task; a duty roster.
- Applying crop rotation to a field avoids depleting soil nutrients the way repeated use of a single crop might do.
- In rotation, each member of the group would be responsible for the beacon fire.
- The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.
- (mathematics, geometry) An operation on a metric space that is a continuous isometry and fixes at least one point.
- The function mapping (x,y) to (−y,x) is a rotation.
- (baseball) The set of starting pitchers of a team.
- (aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll. (see also: V2)
- Repeated play on a radio station, etc.
- The new single enjoyed heavy rotation on MTV.
act of turning around a centre
single cycle of turning
regular variation in a sequence
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
rotation f (plural rotations)
- “rotation” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
|Declension of rotation|