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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.

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

Handling both the charge and recharge cycles is a reactor about 15 inches in diameter and 8 feet tall that can generate around 100 kilowatts of heat.

From The Wall Street Journal • Mar. 27, 2026

You cannot weld a reactor vessel with one.

From MarketWatch • Mar. 26, 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But unit 1, the oldest reactor in the plant, had an outdated cooling system known as an isolation condenser.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