nuclear fusion

noun

physics
: a process in which the nuclei of atoms are joined

Examples of nuclear fusion in a Sentence

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That leads to high temperatures, which create a glowing protostar due to the rapid (kinetic) motion of the internal gas particles, and eventually, after a few tens of millions of years, the core temperatures rise high enough (above 4 million K or so) that nuclear fusion of hydrogen begins. Big Think, 6 Feb. 2026 When stars with around the same mass as the sun run out of hydrogen, the fuel necessary for nuclear fusion in their cores, their cores collapse and their outer layers swell out and are eventually lost. Robert Lea, Space.com, 4 Feb. 2026 However, nuclear fusion facilities have complex, crowded, and highly sensitive environments, where drones are strictly restricted. Ameya Paleja, Interesting Engineering, 27 Jan. 2026 The inquiry from these Democrats highlights the latest in a the laundry list of conflict of interest concerns surrounding the Trump family, including over personal investments made by the president and his business empire’s expansion into nuclear fusion. Matt Egan, CNN Money, 23 Jan. 2026 See All Example Sentences for nuclear fusion

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“Nuclear fusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20fusion. Accessed 14 Feb. 2026.

Medical Definition

nuclear fusion

noun
Last Updated: - Updated example sentences
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