impeller

noun

im·​pel·​ler im-ˈpe-lər How to pronounce impeller (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Once the engine is revving, the gas exhaust takes over to spin the turbo impeller. Mark Ewing, Forbes, 16 Oct. 2024 By drawing in a small amount of air from the intake, pressurizing it using an impeller, and squirting it through the outlet, this generates a pressure imbalance and a considerable amount of thrust, which extends the full length of the cylinders. David Szondy, New Atlas, 31 July 2024 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 See all Example Sentences for impeller 

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impeller. Accessed 23 Nov. 2024.

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