{"id":"15300837-n","lexname":"noun.time","members":[{"lemma":"acceleration","sense":{"id":"acceleration%1:28:00::"},"pronunciation":[{"value":"ək.ˌsɛl.ə.ˈɹeɪ.ʃən"}],"poskey":"n"}],"definition":["(physics) a rate of increase of velocity"],"ili":"i117524","partOfSpeech":"n","domain_topic":["06100457-n"],"hypernym":["15311467-n"],"hyponym":["11489508-n","15301009-n","92443357-n"],"antonym":[{"target_synset":"15301157-n","source_lemma":"acceleration","target_lemma":"deceleration","target_poskey":"n"}]}