[{"id":"09920164-n","lexname":"noun.person","members":[{"lemma":"catalyst","sense":{"id":"catalyst%1:18:00::"},"pronunciation":[{"value":"ˈkæt.əl.ɪst","variety":"GB"},{"value":"ˈkæt.ə.lɪst","variety":"US"}],"poskey":"n"}],"definition":["something that causes an important event to happen"],"example":["the invasion acted as a catalyst to unite the country"],"ili":"i88864","partOfSpeech":"n","hypernym":["00007347-n"]},{"id":"14747789-n","lexname":"noun.substance","members":[{"lemma":"catalyst","sense":{"id":"catalyst%1:27:00::"},"pronunciation":[{"value":"ˈkæt.əl.ɪst","variety":"GB"},{"value":"ˈkæt.ə.lɪst","variety":"US"}],"poskey":"n"},{"lemma":"accelerator","sense":{"id":"accelerator%1:27:00::"},"pronunciation":[{"value":"æk.ˈsɛl.ə.ˌɹeɪ.tɚ","variety":"US"}],"poskey":"n"}],"definition":["(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected"],"ili":"i114375","partOfSpeech":"n","domain_topic":["06094057-n"],"hypernym":["14747240-n"],"hyponym":["14748070-n","14757125-n","15008803-n"],"antonym":[{"target_synset":"14749203-n","source_lemma":"catalyst","target_lemma":"anticatalyst","target_poskey":"n"}],"derivation":[{"target_synset":"00268405-v","source_lemma":"catalyst","target_lemma":"catalyze","target_poskey":"v"}]}]