Definition of 原子団 (げんしだん)
げんしだん
                        原子団
げんしだん
genshidan
noun
•
        
group (of atoms)
Related Kanji
| 原 | meadow, original, primitive, field, plain, prairie, tundra, wilderness | 
| 子 | child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac | 
| 団 | group, association |