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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.

You can’t blockade a reactor that only needs to be refueled every 18 months.

From MarketWatch • Apr. 16, 2026

She sat alongside a nuclear reactor during a flight with Energy Secretary Chris Wright; she still isn’t quite sure she understands what a nuclear reactor is.

From The Wall Street Journal • Apr. 11, 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

Dan Eggers, Constellation’s senior vice president for finance, told Barron’s last week that any new reactor investments would have to clear a high bar.

From Barron's • Mar. 30, 2026

Without the water to cool it, the reactor would quickly grow so hot that it would melt.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing reactor