pneumatic hammer pneumatic drill • pneumaticity · · · Info · Definitions · Synonyms · Characters · · pneumatic hammer · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) a hammer driven by compressed air. Synonyms: air hammer, jackhammer, pneumatic hammer. · · Noun Definition 1 Synonyms · · · air hammer · · Synonym 1 jackhammer · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075