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

Top-load washers with agitators or impellers clean tough fabrics well by physically moving clothes to loosen dirt. — Maria Sabella, The Spruce, 20 July 2026

An agitator is a post in the machine’s center that twists so the clothes can rub against each other, while impellers have a cone or disc on the bottom of the drum that spins. — Bestreviews, Chicago Tribune, 6 July 2026

For those with snowblowers, loose pieces of crushed gravel can spell trouble for the impeller. — Andy Wilcox, Better Homes & Gardens, 9 June 2026

To deliver a box of plastic pump impellers because FedEx was on strike, and Uncle Jimmy seemingly didn’t want to pay for another carrier to deliver the box. — Roxana Hadadi, Vulture, 5 May 2026

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