rotation

noun ro·ta·tion \ rō-ˈtā-shən \
Updated on: 7 Dec 2017

Definition of rotation

1 a (1) : the action or process of rotating on or as if on an axis or center
(2) : the act or an instance of rotating something
b : one complete turn : the angular displacement required to return a rotating body or figure to its original orientation
2 a : return or succession in a series
  • rotation of the seasons
3 : the turning of a body part about its long axis as if on a pivot
4 : a game of pool in which all 15 object balls are shot in numerical order
5 : the series of pitchers on a baseball team who regularly start successive games in turn

rotational

play \rō-ˈtā-shnəl, -shə-nᵊl\ adjective

Examples of rotation in a Sentence

  1. the rotation of the Earth around its axis

  2. the rotation of the Moon around the Earth

  3. The Earth makes one rotation every day.

  4. Alfalfa and corn are planted in rotation.

  5. the rotation of the job of club president

  6. The car needs a tire rotation.

Recent Examples of rotation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rotation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rotation

circa 1550


ROTATION Defined for English Language Learners

rotation

noun

Definition of rotation for English Language Learners

  • : the act or process of moving or turning around a central point

  • : a complete turn around a central point

  • : the act of regularly changing something by replacing it with something else


ROTATION Defined for Kids

rotation

noun ro·ta·tion \ rō-ˈtā-shən \

Definition of rotation for Students

1 : the act of turning about an axis
2 : the system of growing different crops in the same field usually in a regular order

Medical Dictionary

rotation

noun ro·ta·tion \ rō-ˈtā-shən \

medical Definition of rotation

: the action or process of rotating on or as if on an axis or center; specifically : the turning of a body part about its long axis as if on a pivot
  • rotation of the head to look over the shoulder

rotational

play \-shnəl, -shən-ᵊl\ adjective


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