reactor

word

/ɹiˈæktɝ/
ree-AK-tur
/ɹɪˈæktɐ/
ree-AK-tuh

Definition

A reactor is a device in which a chemical or nuclear reaction is controlled and used to produce energy or other products. The most common type is a nuclear reactor for generating electricity.

Usage & Nuances

"Reactor" is formal and technical, most often used in scientific, engineering, or energy contexts. It's usually understood to mean a nuclear reactor unless specified (like "chemical reactor"). Not commonly used in everyday conversation. Often part of technical phrases like "reactor core" or "reactor vessel".

Example Sentences

The nuclear reactor produces electricity for the city.

basic

A chemical reactor mixes different substances safely.

basic

The reactor needs regular checks to work safely.

basic

After the shutdown, engineers inspected the reactor for any damage.

natural

Building a new reactor requires years of planning and construction.

natural

The plant’s reactor went offline due to a technical issue last night.

natural