English Explanatory Dictionary

rotation

English dictionary entry

Meanings

noun
  1. The act of turning around a centre or an axis.
  2. A single complete cycle around a centre or an axis.
  3. A regular variation in a sequence, such as to even out wear, or people taking turns in a task; a duty roster.
  4. Тhe movement of investments between different sectors of an economy, or styles of investing, based on anticipated changes in the economic or market cycle.
  5. An operation on a metric space that is a continuous isometry and fixes at least one point.
  6. The set of starting pitchers of a team.
  7. 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)
  8. Repeated play of songs on a radio station, advertisements on a television channel, etc.

Pronunciation

/ɹoʊˈteɪʃən/ LL-Q1860 (eng)-Vealhurl-rotation.wav

Word forms

rotation rotations

Etymology

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

Synonyms

turning revolution rota roster duty roster schedule turn turn and turn about cycling

Related words

rotary rotate rotational axis

Derived words

antirotation autorotation axis of rotation birotation Borggreve rotation circumrotation clinorotation contrarotation corotation counterrotation crop rotation cyclorotation derotation dextrorotation double rotation egorotation electrorotation endorotation Euler's rotation theorem exorotation Faraday rotation gyrorotation improper rotation isorotation job rotation levorotation lunar rotation magnetorotation malrotation microrotation misrotation mutarotation nonrotation Norfolk crop rotation Norfolk rotation optical rotation overrotation prerotation pseudorotation race rotation rotamer rotation curve rotation government rotation period rotationplasty rotation-powered pulsar rotation time roton sidereal rotation period specific rotation superrotation superrotational Terrell rotation underrotation Van Nes rotation Wick rotation
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