rotation

/rou'teiʃn/

Thân thiện

The Earth's rotation causes day and night.

Definition

1. Noun:
   • The action or process of rotating around an axis or center: The circular movement of an object around a central point.
   • A planned, recurrent sequence or cycle: A regular, repeating order in which things are done or people take turns, especially in agriculture or team management.
   • A single complete turn: One full 360-degree circular movement.
   • (Mathematics) A transformation: A function that moves points in a plane or space around a fixed point by a given angle.

Examples of Usage

• Noun:
  • The Earth's rotation on its axis causes day and night.
  • The manager established a strict rotation for the pitching staff.
  • The wheel completed one full rotation every second.
  • In geometry, we studied the rotation of a shape about the origin.

Advanced Usage

• "in rotation": taking turns in a fixed order.
  • The duties are shared in rotation among the team members.
• "crop rotation": the practice of growing different types of crops in the same area in sequential seasons.
  • Farmers use crop rotation to maintain soil health.

Variants and Related Words

• Rotate (verb): To turn or cause to turn around an axis.
  • Please rotate the image 90 degrees.
• Rotational (adjective): Relating to or characterized by rotation.
  • The machine has a high rotational speed.
• Rotator (noun): A muscle or device that causes rotation.
  • The shoulder is moved by powerful rotators.

Synonyms

• Revolution: One complete circular movement around another object (often used for orbital motion).
• Turn: A single circular movement.
• Cycle: A series of events that are regularly repeated in the same order.

Related Phrases

• Rotation of crops: The systematic planting of different crops in a field over a sequence of growing seasons.
• Job rotation: The practice of moving employees between different tasks or jobs to increase experience and flexibility.

Idioms

• "The rotation of the seasons": The natural, cyclical progression of spring, summer, autumn, and winter.
  • Life in the village follows the quiet rotation of the seasons.

Học thuật

Noun

1. 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
2. a single complete turn (axial or orbital)
   • the plane made three rotations before it crashed
   • the revolution of the earth about the sun takes one year
3. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
4. the act of rotating as if on an axis
   • the rotation of the dancer kept time with the music

Từ đồng nghĩa

• revolution
• gyration
• rotary motion