Impeller

Definitions

1. Something which or someone who impels.
2. A rotating component of a device that accelerates fluid, increasing its pressure or flowrate.
3. 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.)

Equivalents

Examples

“screw impeller”

“Holonym: torque converter”

CEFR level