rotation

Plural: rotations

Noun

• The act of turning or revolving around an axis; a regular sequence.
• the act of rotating as if on an axis
  • "the rotation of the dancer kept time with the music"
• (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
• a single complete turn (axial or orbital)
  • "the plane made three rotations before it crashed"
• a planned recurrent sequence (of crops or personnel etc.)
  • "crop rotation makes a balanced demand on the fertility of the soil"
  • "the manager had only four starting pitchers in his rotation"
• The act of turning around a centre or an axis.
• A single complete cycle around a centre or an axis.
• A regular variation in a sequence, such as to even out wear, or people taking turns in a task; a duty roster.
• the movement of investments between different sectors of an economy, or styles of investing, based on anticipated changes in the economic or market cycle.
• An operation on a metric space that is a continuous isometry and fixes at least one point.
• The set of starting pitchers of a team.
• 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 of songs on a radio station, advertisements on a television channel, etc.

Examples

• Earth's moon completes a rotation every twenty-seven days or so.
• His quick ROTATION of the tiles revealed the bingo word he needed for Scrabble.
• The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
• The new single enjoyed heavy rotation on MTV.

Synonyms

gyration, revolution, rotary motion, cycling, duty roster, roster, rota, schedule, turn, turn and turn about, turning

Related Words

axis, rotary, rotate, rotational, ROTATIVE