Denshi Jisho — Online Japanese dictionary

原爆 げんばく atomic bomb; A-bomb
Common word, Noun, Abbreviation 
原爆 げんばくしょう atomic-bomb sickness; symptoms of radiation sickness caused by an atomic-bomb (i.e. high fever, nausea); illness caused by atomic-bomb radiation exposure (i.e. leukemia, malignant tumors)
Noun 
原爆犠牲者 げんばくぎせいしゃ atomic bomb victim
Noun 

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