rotation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the act of rotating as if on an axis (Freq. 3)
- the rotation of the dancer kept time with the music
• Syn:
rotary motion
• Derivationally related forms:
rotate
• Hypernyms:
motion, movement, move, motility
• Hyponyms:
circumvolution, feather, feathering, gyration, whirling,
pivot, pronation, spin, twirl, twist, twisting,
twisting, spiral, supination, turn, wind,
winding, turnout
2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
• Topics:
mathematics, math, maths
• Hypernyms:
transformation
3. 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
• Syn:
revolution, gyration
• Derivationally related forms:
gyrate (for: gyration), revolutionary (for: revolution), revolve (for: revolution)
• Hypernyms:
turning, turn
• Hyponyms:
dextrorotation, clockwise rotation, levorotation, counterclockwise rotation, axial rotation,
axial motion, roll, orbital rotation, orbital motion, spin
4. 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
• Derivationally related forms:
rotate
• Hypernyms:
sequence, chronological sequence, succession, successiveness, chronological succession

• Từ đồng nghĩa / Synonyms:
  revolution, gyration, rotary motion