中ちゅう性せい子し星せいちゅうせいしせいFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounneutron starastronomy›Astronomical term for a dense stellar remnant composed primarily of neutrons.中ちゅう性せい子し星せいは超ちょう新しん星せい爆ばく発はつの後あと