meltdown

感情の爆発、パニック

強い動揺や負担で、自分の反応を抑えられなくなる状態。

やさしい英語で： A period when someone feels so upset or overwhelmed that they cannot control their reactions.

• He had a meltdown after school.
• Too much noise can trigger a meltdown.
• She was close to a meltdown after a week of constant pressure.

類義語： outburst, tantrum

よく使う表現： have a meltdown, emotional meltdown, complete meltdown

崩壊、破綻

仕組みや状況が大きく崩れ、制御するのが非常に難しくなること。

やさしい英語で： A serious breakdown in which a system or situation becomes very difficult to control.

• The company faced a financial meltdown.
• Markets fell sharply during the economic meltdown.
• A computer failure caused a complete meltdown of the booking system.

類義語： collapse, breakdown, crisis

よく使う表現： financial meltdown, economic meltdown, political meltdown

炉心溶融、メルトダウン

核燃料が高温で溶け、危険な放射線を放出するおそれがある事故。

やさしい英語で： An accident in which nuclear fuel gets so hot that it melts and may release dangerous radiation.

• The reactor suffered a meltdown.
• Workers restored cooling to prevent a nuclear meltdown.
• Radiation escaped after the core meltdown.

よく使う表現： nuclear meltdown, reactor meltdown, core meltdown

融解

固体が液体になること。

やさしい英語で： The process of a solid becoming liquid.

• The heat caused a rapid meltdown of the ice.
• Water filled the valley during the spring meltdown.
• Researchers measured the glacier’s meltdown over several weeks.

類義語： melting, thaw

反対語： freezing

よく使う表現： spring meltdown, ice meltdown, rapid meltdown