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Definitions

reactor

[ree-ak-ter] / riˈæk tər /
NOUN
electrical device
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Solutions for the heat issue exist now, but the challenge is to scale them up to keep a reactor stable.

From The Wall Street Journal • Apr. 6, 2026

Tehran then turned to Russia, which took over the contract in January 1995, aiming to commission the 1,000-megawatt pressurized water reactor in 1999.

From Barron's • Apr. 4, 2026

Not everyone is fully on board, however — including Isaacman, whose ambitious plans involve developing a lunar nuclear reactor by 2030.

From MarketWatch • Mar. 31, 2026

Investors are cautious about new nuclear reactor investments due to high costs, preferring clear paths and risk mitigation.

From Barron's • Mar. 30, 2026

But unit 1, the oldest reactor in the plant, had an outdated cooling system known as an isolation condenser.

From "Meltdown" by Deirdre Langeland