WordLens

rotation

1 of 1noun
/roʊ.ˈteɪ.ʃən/
Forms:rotations
1

a single complete circular movement around an axis or along an orbit

C1
  • One full rotation of the Earth takes twenty-four hours.
  • The rotation of the tires was measured in revolutions per minute.
  • Each rotation of the hand wheel raises the platform slightly.
  • The moon completes one rotation per orbit around the Earth.
  • The model shows the rotation of planets in the solar system.
Synonyms:
2

the act of turning around a central point or axis

  • The wheel's rotation was smooth and steady.
  • The dancer's rotation impressed the audience.
  • Machines require balanced rotation to operate safely.
  • The camera captured the rotation of the propeller.
  • Friction gradually slowed the object's rotation.
3

the process of changing the crops grown in a particular field each season to maintain soil health and reduce pests

  • Crop rotation helps prevent soil depletion by varying the crops planted.
  • The farmer practiced rotation to improve soil fertility.
  • Rotation of crops also reduces the buildup of pests in the soil.
  • They used a simple rotation of corn and beans to keep the land healthy.
  • With rotation, different plants are used each year to protect the environment.
4

a transformation that turns a figure or coordinate system by a fixed angle about a point or origin

  • The rotation of the graph shifted all points by 90 degrees.
  • A 45-degree rotation aligned the figure with the new axis.
  • The rotation preserved the shape but changed its orientation.
  • Rotation in geometry does not alter size or proportion.
  • The software applied a rotation to the coordinate plane.