impeller.
Something which or someone who impels.
Meaning & usage
Something which or someone who impels.
Something which or someone who impels. A rotating component of a device that accelerates fluid, increasing its pressure or flowrate.
screw impeller
Something which or someone who impels. A rotating component of a device that accelerates fluid, increasing its pressure or flowrate. Especially, such a component that drives the fluid radially (outward from a center of rotation) rather than axially. (Impellers are found in devices such as pumps, water jets, washing machines, and agitated tanks.)
Where this word comes from
From impel + er.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.