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

インフラ開発[infurakaihatsu] infrastructure development
エンジン発動機[enjinhatsudouki] engine
バス発着場[basuhacchakujou] depot
発条[bane] spring (e.g. coil, leaf)
ロケット発射筒[rokettohasshatou] rocket launcher

異常発生[ijouhassei] plague
一触即発[isshokusokuhatsu] critical (touch and go) situation
一念発起[ichinenhokki] being resolved to (do something)
一発[ippatsu] one shot
一発かます[ippatsukamasu] to hit someone

リーダーシップ的地位[riidaashipputekichii] leadership position
圧制的[asseiteki] oppressive
圧倒的[attouteki] overwhelming
圧倒的多数[attoutekitasuu] overwhelming numbers
意図的[itoteki] intentional

一義的[ichigiteki] unequivocable
一元的[ichigenteki] monistic
一時的[ichijiteki] temporary
一般的[ippanteki] popular
一般的なルールとして[ippantekinaruurutoshite] as a general rule