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 reactor was built from the ground up on a greenfield site.
    — Neetika Walter, Interesting Engineering, 6 Aug. 2026
  • The plant’s six reactors are shut down but still need cooling.
    — Susie Blann, BostonGlobe.com, 20 June 2023
  • 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
  • That is why experts say that all or parts of the reactor designs could change.
    — Selam Gebrekidan, New York Times, 4 Oct. 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
  • Four reactors, one blueprint The choice of four units is central to the plan.
    — Neetika Walter, Interesting Engineering, 3 Sep. 2026
  • 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
  • The reactor relies on fast neutrons rather than slow thermal ones.
    — Aman Tripathi, Interesting Engineering, 8 Oct. 2026
  • Each reactor will take about seven years to build, followed by testing.
    — Aamir Khollam, Interesting Engineering, 31 Mar. 2026
  • Both claims are true, depending on which part of the world and which part of the reactor fleet one is looking at.
    — Interesting Engineering, 31 Aug. 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
  • Together, these steps would test more than the reactor itself.
    — Neetika Walter, Interesting Engineering, 7 Oct. 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

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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