Last Updated：2025/11/20

(countable, military) A nuclear weapon that obtains its destructive energy from nuclear fission.

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atomic bomb

Source Word

atomic bomb

countable colloquial uncountable with the

(countable, military) A nuclear weapon that obtains its destructive energy from nuclear fission.

Japanese Meaning

原子爆弾

Scientists debated whether the development of the atomic bomb could ever be morally justified.

科学者たちは、原子爆弾の開発が道徳的に正当化され得るかどうかを議論した。

Sense（1）

(countable, military) A nuclear weapon that obtains its destructive energy from nuclear fission.

Sense（2）

(uncountable, colloquial, with the) The possession of one or more atomic bombs; the ability to launch a nuclear attack.

Nine different countries have the atomic bomb as of 2022.

atomic bombs

（ plural ）