impeller

noun
im·​pel·​ler | \ im-ˈpe-lər How to pronounce impeller (audio) \
variants: or less commonly impellor

Definition of impeller

1 : one that impels
2a : 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 An impeller within the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail. Detroit Free Press, 21 Aug. 2021 An impeller within the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail. Detroit Free Press, 21 Aug. 2021 An impeller within the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail. USA TODAY, 19 Aug. 2021 Generous turbo whistles are ever-present, as if the impeller is determined to scrounge up every possible bit of air and cram it through the intake. Derek Powell, Car and Driver, 11 Aug. 2021 This holds up to 150 pounds of product and features an auto-stop dual impeller that will halt spreading when not in motion. Chris Hachey, BGR, 6 July 2021 Two-stage units have a horizontal auger that collects snow and pushes it to a separate, rotating impeller that ejects it. Bradley Ford, Popular Mechanics, 9 Sep. 2020 The company says the impeller, which is the rotating part of the pump, could be defective. NBC News, 31 Mar. 2021 The fuel pumps in these vehicles have an impeller which can crack and eventually lead to the fuel pump to stop working. Colin Beresford, Car and Driver, 31 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impeller.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of impeller

1685, in the meaning defined at sense 1

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Time Traveler for impeller

Time Traveler

The first known use of impeller was in 1685

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Dictionary Entries Near impeller

impellent

impeller

impend

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Statistics for impeller

Last Updated

12 Sep 2021

Cite this Entry

“Impeller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impeller. Accessed 21 Sep. 2021.

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More from Merriam-Webster on impeller

Britannica.com: Encyclopedia article about impeller

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