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Synonyms

fission reactor

British  

noun

  1. a nuclear reactor in which a fission reaction takes place

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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While Binderbauer struggled to fundraise, the success of fission reactor developers Oklo and NuScale Power grabbed the attention of the industry.

From The Wall Street Journal ● Mar. 28, 2026

BWX Technologies, based in Lynchburg, Va., will build the nuclear fission reactor at the heart of the engine.

From New York Times ● Jul. 26, 2023

Powered by low-enriched uranium, the engine’s fission reactor will heat and vaporize liquid propellants, shooting the gases out of a nozzle to provide thrust.

From Science Magazine ● Feb. 1, 2023

It may well conclude that it needs a self-sustaining power source, such as a fission reactor, which the United States has not used in space since 1965.

From Nature ● Nov. 24, 2014

The neutrons are created in a fission reactor, and slowed to incredibly low speeds by materials known as moderators.

From BBC ● Apr. 18, 2011

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