air gas air gap • air gauge · · · Info · Definitions · Synonyms · Characters · · air gas · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (noun) a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke. Synonyms: producer gas, air gas. · · Noun Definition 1 Synonyms · · · producer gas · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073