Petechiae- hemorrhages about the size of grains of rice. She had a compound fracture of the left tibia, with swelling of the left lower leg; that her skin and visible mucous membranes were heavily spotted with petechiae (Hersey 70).
Emanations- an abstract but perceptible thing that issues or originates from a source. It was that the atomic bomb had deposited some sort of poison on Hiroshima which would give off deadly emanations for seven years (Hersey 72).
Dagashi- little candies and rice cakes. The old hut in Nobori-cho stood empty for a time, and while continuing with her new newspaper collections, Nakamura-san converted it into a small street shop for children, selling sweet potatoes, which she roasted, and dagashi, and cheap toys which she bought from a wholesaler (Hersey 95).
Excised- cut out surgically. The scars tended in time to shrink spontaneously, and could then be more easily excised or be left alone (Hersey 103).
Repugnant- extremely distasteful; unacceptable. Satisfied that nothing would happen, he went in and breakfasted with the other Fathers on substitute coffee and ration bread, which, under the circumstances, was especially repugnant to him (Hersey 12).
Tansu- a large Japanese cabinet. There he found that their burden was to be a tansu full of clothing and household goods (Hersey 4).
Miasma- a highly unpleasant or unhealthy smell or vapor. Not just a patch of Koi, as he had expected, but as much of Hiroshima as he could see through the clouded air was giving off a thick, dreadful miasma (Hersey 18).