Fission weapon

Japanese: 核分裂兵器 - かくぶんれつへいき
Fission weapon

...If the delivery vehicle (missile, etc.) and the nuclear warhead cannot be separated, the delivery vehicle is also called a nuclear weapon, but it does not include nuclear submarines that use nuclear reaction energy as their power source. Nuclear weapons are broadly divided into two types: fission weapons and fusion weapons, depending on whether the main nuclear reaction that releases energy is nuclear fission or nuclear fusion. The former are also called atomic bombs (atomic bombs), and the latter are called hydrogen bombs (hydrogen bombs). ...

*Some of the terminology used to refer to "nuclear fission weapons" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…運搬手段(ミサイルなど)と核弾頭が分離できない構造の場合は運搬手段も含めて核兵器というが,核反応エネルギーを動力として用いる原子力潜水艦等は含まない。核兵器は,エネルギーを放出するおもな核反応が核分裂であるか核融合であるかによって,核分裂兵器と核融合兵器とに二大別される。前者は原子爆弾(原爆),後者は水素爆弾(水爆)とも呼ばれる。…

※「核分裂兵器」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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