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单词 rotor
释义

WordReference Random House Learner's Dictionary of American English © 2024
ro•tor /ˈroʊtɚ/USA pronunciation   n. [countable]
  1. Electricitya rotating part of a device, as in an electric motor or distributor.
See -rota-.
WordReference Random House Unabridged Dictionary of American English © 2024
ro•tor  (rōtər),USA pronunciation n. 
  1. Electricitya rotating member of a machine. Cf. stator (def. 1).
  2. Aeronauticsa system of rotating airfoils, as the horizontal ones of a helicopter or of the compressor of a jet engine.
  3. Nautical, Naval Termsany of a number of tall, cylindrical devices mounted on a special ship (rotor ship′) and rotated in such a way that the Magnus effect of wind impinging on the cylinders is used to drive and maneuver the vessel.
  4. Time(in a self-winding watch) a weight eccentrically mounted on an arbor for keeping the mainspring wound.
  • short for rotator 1873

Collins Concise English Dictionary © HarperCollins Publishers::
rotor /ˈrəʊtə/ n
  1. the rotating member of a machine or device, esp the armature of a motor or generator or the rotating assembly of a turbine
  2. a device having blades radiating from a central hub that is rotated to produce thrust to lift and propel a helicopter
Etymology: 20th Century: shortened form of rotator
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