Meaning & use
rotor
Last updated
The rotating part of a mechanical device, such as a helicopter's blades or an electric motor.
See it in a sentence
The helicopter's rotor blades sliced through the air as it lifted off.
A worn brake rotor can cause a car to vibrate when braking.
A note on using this word
Common in mechanical and automotive contexts; contrasts with the 'stator,' the stationary part of a motor.
Words with an opposite meaning
stator
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