(Translated by https://www.hiragana.jp/)
rotation - Wiktionary, the free dictionary
Wiktionary

rotation

See also: Rotation

English

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Etymology

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

Pronunciation

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Noun

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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

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Hypernyms

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Derived terms

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Translations

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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

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Further reading

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French

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Etymology

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Borrowed from Latin rotātiōnem.

Pronunciation

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Noun

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rotation f (plural rotations)

  1. rotation

Derived terms

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Descendants

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  • → Romanian: rotație
  • → Turkish: rotasyon

Further reading

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Swedish

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Etymology

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Borrowed from Latin rotatio.

Noun

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rotation c

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

Declension

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Declension of rotation
nominative genitive
singular indefinite rotation rotations
definite rotationen rotationens
plural indefinite rotationer rotationers
definite rotationerna rotationernas
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