reactor

Everyday

1. A large machine, especially a nuclear reactor, in which atoms are split to make heat to produce electricity. tree →
2. Any container where chemical reactions take place. tree →

In the lessons

In science lessons, nuclear reactors in power stations make electricity without burning coal, but their waste is dangerous. In history and news, accidents like Chernobyl in Ukraine show why reactors need safety rules. Phrases: nuclear reactor, reactor core.

Examples

• A nuclear reactor makes heat to produce electricity. tree →
• The Chernobyl reactor exploded in Ukraine, and the area around it is still unsafe. tree →
• Workers in the reactor wear special suits. tree →
• Some submarines are powered by small reactors. tree →
• Scientists tested a new reactor design. tree →
• The reactor core must be kept cool with water. tree →

Note

Countable. From react (to change when mixed or when something happens). A reactor cannot explode like a nuclear bomb, but accidents can spread dangerous radiation.