パイプ爆弾[paipubakudan] pipe bomb
プラスチック爆弾[purasuchikkubakudan] plastic explosive
宇宙大爆発[uchuudaibakuhatsu] Big Bang (theory)
核爆弾[kakubakudan] nuclear weapon
核爆発[kakubakuhatsu] nuclear explosion

起爆[kibaku] exploding
起爆装置[kibakusouchi] detonator
原子爆弾[genshibakudan] atomic bomb
原子爆発[genshibakuhatsu] atomic explosion
原水爆[gensuibaku] atom and hydrogen bomb

一睡り[hitonemuri] (usu. in positive sentences) (a) sleep
一睡[issui] (usu. in negative sentences) (not) a wink of sleep
午睡[gosui] nap
昏睡[konsui] lethargy
こん睡状態[konsuijoutai] lethargic state

熟睡[jukusui] sound sleep
睡眠[suimin] sleep
睡眠剤[suiminzai] sleeping tablet
睡眠不足[suiminbusoku] lack of sleep
睡眠薬[suiminyaku] sleeping pill