Definitions

nuclear reactor

[noo-klee-er ree-ak-ter, nyoo-] / ˈnu kli ər riˈæk tər, ˈnju- /

NOUN

atomic reactor

Synonyms

STRONGEST

reactor

WEAK

atomic furnace atomic pile atomic power plant atomic reactor breeder reactor chain reactor core reactor fast breeder reactor neutron factory nuclear furnace nuclear power plant pile plutonium reactor reactor pile thermonuclear reactor uranium reactor

Example Sentences

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See Examples For:

nuclear reactor

With its safety analysis complete, the company confirmed it was on track to achieve first criticality for the Groves nuclear reactor this month.

From Barron's ● Jul. 1, 2026

In October, the companies announced a deal to restart a NextEra nuclear reactor in Iowa that closed in 2020 following wind damage to a cooling tower.

From The Wall Street Journal ● May 18, 2026

The strikes included attacks very close to Iran’s Bushehr nuclear reactor.

From The Wall Street Journal ● May 17, 2026

A gigawatt is roughly equivalent to the power generated by a nuclear reactor.

From Los Angeles Times ● Apr. 27, 2026

The fuel pellets that drive the chain reaction in a nuclear reactor are not particularly radioactive.

From "Meltdown" by Deirdre Langeland