Vocabulary What does 水爆 (すいばく, suibaku) mean? 水爆 (すいばく, suibaku) means hydrogen bomb. Quick factsReadingすいばくRomajisuibakuPart of speechnoun, no-adjective 水爆すいばくsuibakuhydrogen bomb1noun · no-adjective hydrogen bombKanji in this word水water爆explosion
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