annihilation

全滅、絶滅

人や物を完全に滅ぼすこと。

やさしい英語で： The complete destruction of someone or something.

• They feared the annihilation of their city.
• The weapons threatened total annihilation.
• Only a treaty could prevent nuclear annihilation.

使い方： annihilation of someone/something (The attack caused the annihilation of the army.)

類義語： destruction, obliteration

よく使う表現： total annihilation, nuclear annihilation, annihilation of something

消滅、全滅

何かが完全に滅ぼされ、または存在しなくなった状態。

やさしい英語で： A condition in which something has been completely destroyed or no longer exists.

• Nothing remained after the village's annihilation.
• The story ends with the world's complete annihilation.
• The army faced total annihilation.

類義語： nonexistence, extinction

よく使う表現： complete annihilation, state of annihilation, total annihilation

対消滅

粒子と反粒子が消え、エネルギーが放出される現象。

やさしい英語で： A process in which a particle and its opposite particle disappear, releasing energy.

• Annihilation releases energy as radiation.
• The experiment measured electron and positron annihilation.
• Two photons emerged from the annihilation.

よく使う表現： particle annihilation, electron annihilation, annihilation radiation

解体、消滅

個々の部分は残っていても、まとまった全体としての存在がなくなること。

やさしい英語で： The destruction of something as an organized whole, even if its separate parts remain.

• The decree ordered the annihilation of the corporation.
• Its assets survived the annihilation of the company.
• The merger meant the annihilation of the old institution.

類義語： dissolution, abolition

よく使う表現： annihilation of something, corporate annihilation