/ Dictionary / Index F fuel injection: Meaning and Definition of Find definitions for: fu'el injec"tion Pronunciation: [key] the spraying of liquid fuel into the cylinders or combustion chambers of an engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fuel-injected fuel injector Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language