impeller
The English word “impeller” has 3 meanings listed here.
noun
- 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.)
Etymology
From impel + er.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.