exhaust system exhaust steam • exhaust valve · · · Info · Definitions · Synonyms · Characters · · exhaust system · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) system consisting of the parts of an engine through which burned gases or steam are discharged. Synonyms: exhaust, exhaust system. · · Noun Definition 1 Synonyms · · · exhaust · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 x latin small letter x U+0078 y latin small letter y U+0079