gas mileage gas meter • gas motor · · · Info · Definitions · Synonyms · Characters · · gas mileage · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) the ratio of the number of miles traveled to the number of gallons of gasoline burned. Synonyms: mileage, fuel consumption rate, gasoline mileage, gas mileage. · · Noun Definition 1 Synonyms · · · mileage · · Synonym 1 fuel consumption rate · · Synonym 2 gasoline mileage · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D s latin small letter s U+0073