fuel injection

noun

: a usually electronically controlled system for injecting a precise amount of atomized fuel into the cylinders or the intake airstream of an internal combustion engine

Examples of fuel injection 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.
Cars started morphing into computers in the 1970s, when new emissions standards made electronic systems necessary to manage ignition and fuel injection. Matteo Wong, The Atlantic, 19 Aug. 2026 That required doubling the engine speed to a heady 3,800 rpm, replacing the pushrod valves with double overhead camshafts for better control over timing, and moving to direct fuel injection at much higher pressure than the production engine. Jonathan M. Gitlin, ArsTechnica, 12 Aug. 2026 Electronic fuel injection dramatically improved fuel metering, engine reliability, emissions and cold-start performance. Peter Lyon, Forbes.com, 22 July 2026 The extreme conditions place tremendous stress on materials and components, while demanding highly precise fuel injection systems that can operate in less than a millisecond. Georgina Jedikovska, Interesting Engineering, 18 May 2026 See All Example Sentences for fuel injection

Word History

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of fuel injection was in 1900

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Cite this Entry

“Fuel injection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20injection. Accessed 24 Aug. 2026.

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