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

fuel-injected

ˈfyül-in-ˈjek-təd 

adjective

Examples of fuel injection in a Sentence

Recent Examples on the Web

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

That pushrod mill appears to be an engineering masterwork, with an improbably lofty 13:1 compression ratio, forged pistons, and a sophisticated blend of high-velocity intake ports and direct fuel injection. —Lawrence Ulrich, Robb Report, 26 Mar. 2026

Regarding the fuel injection setup, look for leaks and check fuel pressure. —John Paul, The Providence Journal, 6 Mar. 2026

The engine features multiple combustion chambers and fuel injection systems pioneered by the Nettuno V-6 in Stellantis’ Maserati luxury brand’s MC20 super car. —Mark Phelan, Freep.com, 25 Feb. 2026

Word History

First Known Use

1900, in the meaning defined above

Rhymes for fuel injection

• circumspection
• disaffection
• disconnection
• disinfection
• dorsiflexion
• imperfection
• indirection
• insurrection
• intellection
• interjection
• intersection
• introjection