acetylene 1noundomain: substancePrinceton WordNet [ver.3.1]EnglishDefinitiona colorless flammable gas used chiefly in welding and in organic synthesisReport errorPath to highest hypernymMorphologySynset graphSynonymsethyne 1a colorless flammable gas used chiefly in welding and in organic synthesisalkyne 1a colorless flammable gas used chiefly in welding and in organic synthesis