How to Use reactor in a Sentence

reactor

noun
  • The reactor would be built on Earth and then sent to the moon.
    — From Usa Today Network and Wire Reports, USA TODAY, 23 Nov. 2021
  • The agency plans to pick five, which would host two reactors at each site.
    — Jennifer McDermott, Los Angeles Times, 23 June 2026
  • Down in the reactor room, I am relieved to see the dog is safe!
    — Dalene Rovenstine, EW.com, 10 Sep. 2020
  • South Korea too has vowed to speed up its reactor restart.
    — Jeronimo Gonzalez, semafor.com, 11 Mar. 2026
  • The reactor, which went online two years ago, was a feat in itself.
    — Colin Jones, New Yorker, 18 Dec. 2025
  • Sell has called the round-the-clock needs of data centers a good fit for small reactors.
    — Ben Geman, Axios, 14 Mar. 2025
  • The last reactor shut down in 1987.
    — Prabhat Ranjan Mishra, Interesting Engineering, 16 Oct. 2025
  • For the same reason the reactor should be as far aft as possible.
    — Thomas E. Stimson, Popular Mechanics, 15 July 2021
  • Since then, new water has been pumped in to cool fuel debris in the reactors.
    — Jake Kwon, CNN, 9 July 2023
  • Uganda has chosen a site for its first reactors, as has Kenya.
    — IEEE Spectrum, 15 Aug. 2025
  • Turn to the boron side and the neutrons are absorbed, shutting down the reactor.
    — David Szondy september 10, New Atlas, 10 Sep. 2025
  • The Sun is an enormous, free fusion reactor in the sky.
    — Aamir Khollam, Interesting Engineering, 18 Dec. 2025
  • The reactor had failed to properly shut down.
    — Lizzie Johnson, New Yorker, 25 Apr. 2026
  • By 2015 the plants had cleaned up most of the plume near the two reactors and were shut down.
    — Annette Cary, The Seattle Times, 19 Aug. 2019
  • But what sets the Antares reactors apart is that they are cooled by liquid-sodium heat pipes.
    — David Szondy june 08, New Atlas, 8 June 2026
  • Each reactor will take about seven years to build, followed by testing.
    — Aamir Khollam, Interesting Engineering, 31 Mar. 2026
  • South Africa already runs one reactor.
    — W. Gyude Moore, semafor.com, 27 Oct. 2025
  • Water from the dam’s reservoir had been used to cool the reactors, which now could overheat and melt down if turned on.
    — Richard Engel, NBC News, 22 Feb. 2024
  • Aepnus has been building more than reactors.
    — Kapil Kajal, Interesting Engineering, 23 Sep. 2025
  • The waste is fed into a 25-liter reactor vessel.
    — Mrigakshi Dixit, Interesting Engineering, 8 June 2026
  • Therefore, photons are emitted, which make the reactor core glow blue.
    — Abhishek Bhardwaj, Interesting Engineering, 9 Sep. 2025
  • Brought back to life on February 9, the reactor had been shut down for more than a decade.
    — Georgina Jedikovska, Interesting Engineering, 10 Feb. 2026
  • As the reactors are installed, the main plant will transition from gas to steam to turn the dynamos.
    — David Szondy may 24, New Atlas, 24 May 2026
  • So as long as the reactor doesn’t operate before launch, the hazard is quite low.
    — Emily Waltz, IEEE Spectrum, 22 Aug. 2025
  • And they could be designed for stronger protection against the risk of a reactor meltdown.
    — Jeremy Hsu, Scientific American, 9 Mar. 2021
  • The system also comes with molten salt thermal storage, which stores the heat from the reactor in tanks.
    — Abhishek Bhardwaj, Interesting Engineering, 4 Sep. 2025
  • China builds seven to eight reactors each year, far faster than the US.
    — Neetika Walter, Interesting Engineering, 15 Sep. 2025
  • The fission reactor starts with a heavy atom like uranium-235 and hits it with a neutron.
    — Rhett Allain, Wired, 10 Nov. 2020
  • Instead, all spent fuel from the reactors is treated as high-level waste.
    — Ameya Paleja, Interesting Engineering, 10 Feb. 2026
  • That is where Canada’s workhorse reactor comes in.
    — Mrigakshi Dixit, Interesting Engineering, 25 June 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'reactor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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