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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

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

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

From Barron's • Mar. 30, 2026

Pellets are fed back into the reactor with a simple grain elevator, and the reactor itself has no moving parts.

From The Wall Street Journal • Mar. 27, 2026

For people who spent their workdays watching the ups and downs of reactor pressure and heat, and making constant adjustments to keep things running safely, it was a worst-case scenario.

From "Meltdown" by Deirdre Langeland