{"id":"09398135-n","lexname":"noun.object","members":[{"lemma":"nucleus","sense":{"id":"nucleus%1:17:01::"},"form":["nuclei"],"pronunciation":[{"value":"ˈnjuː.kli.əs","variety":"GB"},{"value":"ˈnuːkli.əs","variety":"US"}],"poskey":"n"}],"definition":["(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail"],"ili":"i85891","partOfSpeech":"n","domain_topic":["06104629-n"],"hypernym":["08538999-n"],"holo_part":["09274313-n"]}