leaded gasoline leaded bronze • leaded glass · · · Info · Definitions · Synonyms · Antonyms · Characters · · leaded gasoline · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) gasoline treated with a lead compound to reduce motor knocks. Synonyms: leaded gasoline, leaded petrol. Example: "Combustion of leaded gasoline released lead into the air where it could cause lead poisoning." · · Noun Definition 1 Synonyms · · · leaded petrol · · Synonym 1 Antonyms · · · unleaded gasoline · · Antonym 0 unleaded petrol · · Antonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 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 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073