{"id":"02984780-n","lexname":"noun.artifact","members":[{"lemma":"catalytic converter","sense":{"id":"catalytic_converter%1:06:00::"},"poskey":"n"}],"definition":["a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system"],"ili":"i51630","partOfSpeech":"n","hypernym":["03104596-n"]}