noun
a rotating part of a machine or device, especially a motor or engine, that operates on the principle of electromagnetic induction
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The helicopter's rotor blades spun rapidly as it took off from the landing pad.
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I heard that the rotor on the drone can be easily replaced if it gets damaged.
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I can't believe how fast that car's rotor was spinning, it was insane!
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The rotor of change is constantly turning, bringing new opportunities and challenges.