impeller
nounEtymology From impel + er.
1
Something which or someone who impels.
2
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…
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.)
- Holonym: torque converter