How to Use nuclear fusion in a Sentence

nuclear fusion

noun
  • But this feat does not involve nuclear fusion science in any way.
    — Ameya Paleja, Interesting Engineering, 16 Feb. 2026
  • The nuclear fusion reaction no longer takes place, which makes white dwarfs very dim.
    — Jacek Krywko, Ars Technica, 21 May 2024
  • So where, then, does nuclear fusion even come into the story?
    — Big Think, 24 Apr. 2026
  • Macmillan isn’t the only yet-to-be teen who is so involved with nuclear fusion.
    — Ameya Paleja, Interesting Engineering, 16 Feb. 2026
  • The buzz around nuclear fusion has kicked into overdrive in recent years.
    — Sam Meredith, CNBC, 11 June 2025
  • These seeds would be much more massive than the black holes formed when even the most massive stars run out of fuel for nuclear fusion.
    — Robert Lea, Space.com, 15 Jan. 2026
  • Be thankful for nuclear fusion, occurring in the cores of stars.
    — Big Think, 27 Nov. 2025
  • At that time, our Sun’s core will run out of the hydrogen needed for nuclear fusion.
    — Darren Orf, Popular Mechanics, 2 June 2023
  • This could go mainstream much faster than, say, power from nuclear fusion and be far less expensive.
    — Avery Hurt, Discover Magazine, 6 Sep. 2023
  • From e-book to makerspace Not many people attempt nuclear fusion on their own.
    — Miriam Fauzia, Dallas Morning News, 26 Feb. 2026
  • Yet blobs of dark matter were busy pulling in the surrounding gas, some of it condensing enough to set off nuclear fusion.
    — The Editors, JSTOR Daily, 30 Jan. 2025
  • Dev Ayesa and Richard Hilliard make breakthrough in nuclear fusion.
    — Richard Edwards, Space.com, 17 Apr. 2026
  • Note, in particular, that there is no mention of nuclear fusion in this story.
    — Big Think, 24 Apr. 2026
  • Either that, or these brown dwarfs will collide and merge, birthing an entirely new star with enough mass to trigger nuclear fusion.
    — Robert Lea, Space.com, 23 Mar. 2026
  • The sun is powered by the nuclear fusion of hydrogen to helium, deep within its core.
    — Ryan French, Space.com, 9 Sep. 2025
  • Once a red giant has shed its last layers of gas, its compact core contracts further, leading to a last burst of nuclear fusion.
    — Robert Z. Pearlman, Space.com, 15 Apr. 2025
  • While those stars burn, nuclear fusion exhorts an outward push to counter the gravitational pull of the star’s own mass.
    — Brian Handwerk, Smithsonian Magazine, 7 Mar. 2025
  • The result is nuclear fusion, where the two separate atoms are replaced with a single, larger atom.
    — Paul M. Sutter, Discover Magazine, 7 Mar. 2023
  • Said star was a white dwarf, the type of stellar remnant that forms when a star with a mass similar to that of the sun runs out of fuel for nuclear fusion.
    — Robert Lea, Space.com, 2 July 2025
  • Just look at the progress China is making on nuclear fusion, an area Trump is also keen to control.
    — Tim McDonnell, semafor.com, 16 Dec. 2025
  • And since the red dwarf is still hot, there will eventually be a spark that triggers a runaway nuclear fusion reaction.
    — Jacek Krywko, Ars Technica, 21 May 2024
  • After a finite amount of time, anything powered by nuclear fusion or infalling matter will run out of fuel.
    — Big Think, 11 Feb. 2026
  • Red giants form when stars have exhausted their supply of hydrogen for nuclear fusion and begin to die.
    — Ashley Strickland, CNN, 26 Feb. 2024
  • The Sun, after all, produces its own light, sustainably powered by nuclear fusion in its core.
    — Ethan Siegel, Big Think, 4 Sep. 2025
  • These are all heavier elements produced during stellar nuclear fusion near the end of a star’s lifespan.
    — Andrew Paul, Popular Science, 20 Aug. 2025
  • Regular stars rely on energy released via nuclear fusion, but fusion has stopped in white dwarfs.
    — Jennifer Ouellette, Ars Technica, 20 July 2023
  • There are yet more ways to achieve nuclear fusion, and the US is hedging its bets on a variety of technologies.
    — Ella Nilsen, CNN, 19 Sep. 2024
  • The world is racing to making nuclear fusion a reality.
    — Chris Young, Interesting Engineering, 7 Jan. 2026
  • Not so fast, experts say This announcement adds to a number of other nuclear fusion breakthroughs.
    — Laura Paddison, CNN, 1 Apr. 2024
  • The thing is, the problem isn't just creating a nuclear fusion reaction – any halfway decent physics lab can do that on a benchtop.
    — David Szondy july 05, New Atlas, 5 July 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'nuclear fusion.' 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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