[go: up one dir, main page]
Wiktionary

rotation

See also: Rotation

English

edit

Etymology

edit

Borrowed from Latin rotatiō. By surface analysis, rotate +‎ -ion.

Pronunciation

edit

Noun

edit

rotation (countable and uncountable, plural rotations)

  1. (chiefly uncountable) The act of turning around a centre or an axis.
    • 2013 March, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist‎[1], volume 101, number 2, archived from the original on 1 May 2013, 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, 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.
  4. (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.
  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. (see also: V2)
  7. Repeated play on a radio station, etc.
    The new single enjoyed heavy rotation on MTV.

Synonyms

edit

Hypernyms

edit

Derived terms

edit
edit

Translations

edit
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked

See also

edit

Further reading

edit

French

edit

Etymology

edit

Borrowed from Latin rotātiōnem.

Pronunciation

edit

Noun

edit

rotation f (plural rotations)

  1. rotation

Derived terms

edit
edit

Descendants

edit
  • → Romanian: rotație
  • → Turkish: rotasyon

Further reading

edit

Swedish

edit

Etymology

edit

Borrowed from Latin rotatio.

Noun

edit

rotation c

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

Declension

edit
Declension of rotation
nominative genitive
singular indefinite rotation rotations
definite rotationen rotationens
plural indefinite rotationer rotationers
definite rotationerna rotationernas
Retrieved from "https://en.wiktionary.org/w/index.php?title=rotation&oldid=82526247"