Definition of 自発核分裂 (じはつかくぶんれつ)
じはつかくぶんれつ
                        自発核分裂
じはつかくぶんれつ
jihatsukakubunretsu
noun
•
        
spontaneous fission
Related Kanji
| 自 | oneself | 
| 発 | departure, discharge, publish, emit, start from, disclose, counter for gunshots | 
| 核 | nucleus, core, kernel | 
| 分 | part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100 | 
| 裂 | split, rend, tear |