acetylene urea acetylene torch • acetylene welder · · · Info · Synonyms · Characters · · acetylene urea · · Text Common · · Latin · · Scripts 14 · · Length Synonyms · · · acetylene · · Synonym 1 ethyne · · Synonym 2 alkyne · · Synonym 3 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 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079