: a process in which the nuclei of atoms are joined
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From corrective eye surgery to confining plasma for nuclear fusion research and from entertainment to quickening checkout at supermarkets, lasers are now part of our everyday lives.—Ameya Paleja, Interesting Engineering, 30 Mar. 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 lower limit is around 7 to 8 percent of the sun’s mass; any less than that, and there isn’t enough pressure in the core to sustain nuclear fusion, which is the prime characteristic of what makes a star a star.—Phil Plait, Scientific American, 20 Mar. 2026 Most recently, the company surprised investors with an unexpected foray into the nuclear fusion industry.—Victor Tangermann, Futurism, 19 Mar. 2026 See All Example Sentences for nuclear fusion