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impeller

Pronunciation: /ɪmˈpɛlə/

(also impellor)
Definition of impeller

noun

  • the rotating part of a centrifugal pump, compressor, or other machine designed to move a fluid by rotation.
  • a device turned by the flow of water past a ship’s hull, used to measure speed or distance travelled.

impeller in other Oxford dictionaries

Definition of impeller in the US English dictionary
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