原水爆 げんすいばく atomic and hydrogen bombs #12,101 Meanings noun atomic and hydrogen bombs; nuclear and thermonuclear bombs Its kanji 原 ゲン · はら meadow, original, primitive, field, plain, prairie, tundra, wilderness 水 スイ · みず、みず- water 爆 バク · は.ぜる bomb, burst open, pop, split