Meaning & use

impeller

noun·Advanced

Last updated

A rotating component inside a pump or turbine that moves fluid by spinning.

See it in a sentence

Sand had jammed the pump's impeller, cutting off the water flow.

Engineers redesigned the impeller to increase the engine's efficiency.

A note on using this word

A technical/engineering term; central to how pumps, jet engines, and turbines move liquids or gases.

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