impeller

noun

im·​pel·​ler im-ˈpe-lər 

variants or less commonly impellor

1

: one that impels

2

a

: a rotor located in a conduit to impart motion to a fluid

b

: a blade of a rotor

Examples of impeller in a Sentence

Recent Examples on the Web

Type Of Machine For a top-loading washing machine, add sheets to the drum one at a time in a loose pile, and distribute them evenly around the agitator or impeller. —Karen Brewer Grossman, Southern Living, 14 Dec. 2025

Beyond confirming that the impeller is electrically regulated, Honda hasn’t shared many specifics about its operation. —New Atlas, 15 Nov. 2025

Its jet-drive propulsion system, when deployed, creates thrust by accelerating well fluids via an impeller unit, which moves the probe through the wellbore. —Jijo Malayil, Interesting Engineering, 28 Oct. 2025

The only plausible space for the vacuum impeller, motor, and filter (needed to separate the dirt from the flowing air) was to take over a corner of the dust cup. —IEEE Spectrum, 15 Oct. 2025

Word History

First Known Use

1685, in the meaning defined at sense 1

Rhymes for impeller

• bestseller
• bookseller
• flagellar
• lamellar
• micellar
• modeller
• ocellar
• patellar
• propeller
• reseller
• scutellar
• beller