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Short "hint"

n. - The blade of a rotor (as in the compressor of a jet engine).

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Usage examples (36)
  • The impeller is the device that creates suction and if it becomes damaged, you have to replace your sump pump.
  • The only moving component within the pump is the impeller, which is levitated and rotated within the pump chamber in a contact-free manner.
  • "I guess she blew an impeller," the youth answered.
  • The impeller can rotate even when the machine is off.
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