im·​pel·​ler im-ˈpe-lər How to pronounce impeller (audio)
variants or less commonly impellor
: one that impels
: a rotor located in a conduit to impart motion to a fluid
: a blade of a rotor

Examples of impeller in a Sentence

Recent Examples on the Web Not so for Kawasaki, who stunned everyone with a 130,000 rpm impeller that compresses incoming air at 2.4 times over atmospheric pressure. Peter Jackson, Robb Report, 1 Mar. 2024 The durable metal impeller and mulching system has an impressive 16:1 mulching ratio. Rachel Ahrnsen, Better Homes & Gardens, 28 Feb. 2024 Single stage snowblowers have an auger that picks up the snow and blows it out the chute, while costlier two stage machines work faster because their augers only have to move snow up to an impeller that does the actual blowing. Ben Romans, Field & Stream, 4 Jan. 2024 In science-speak, this is thanks to its digital motor and an axial flow impeller, which together can push out 13 liters of air per second. Liana Schaffner, Allure, 21 Sep. 2023 Then, remove the vacuum tube and hold open the impeller door to remove any leftover debris from the impeller, checking the mulching blades for damage. Kat De Naoum, Better Homes & Gardens, 12 Sep. 2023 The risk of cavitation can be minimized through proper design of the propeller or impeller, but there are trade-offs that can reduce overall ship performance and speed. Kyle Mizokami, Popular Mechanics, 2 June 2023 More modern top-load washers feature an impeller (a low-profile cone or disc) that's more efficient and can spin more water out of clothes. Brandon Russell, Popular Mechanics, 7 July 2023 The bump for the twin-turbo 4.0-liter V-8, now making 621 horsepower and 627 pound-feet, comes courtesy of a larger turbocharger impeller and new engine mapping. K.c. Colwell, Car and Driver, 28 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'impeller.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1685, in the meaning defined at sense 1

Time Traveler
The first known use of impeller was in 1685

Dictionary Entries Near impeller

Cite this Entry

“Impeller.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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