ethane ethanamide • ethanedial · · · Info · Definitions · Synonyms · Characters · · ethane · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a colorless odorless alkane gas used as fuel. Synonyms: C2H6. · · Noun Definition 1 Synonyms · · · c2h6 · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E t latin small letter t U+0074