nuclear reaction

noun

physics
: a process in which the nucleus of an atom is changed by being split apart or joined with the nucleus of another atom

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Gas flowing from the expanding red giant gradually accumulates on the white dwarf until conditions become extreme enough to ignite a runaway nuclear reaction. Jamie Carter, Forbes.com, 25 June 2026 That has put a focus on Iran’s stockpile of uranium and its program to convert this naturally occurring element into material that can sustain a nuclear reaction — a process called enrichment. Adithi Ramakrishnan, Los Angeles Times, 20 June 2026 This stops the nuclear reaction, acting as the first line of defense. Jethu Abraham, Wired News, 2 Apr. 2026 If the reactor core temperature rises, the fuel expands, automatically reducing the nuclear reaction rate. David Szondy march 08, New Atlas, 8 Mar. 2026 See All Example Sentences for nuclear reaction

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“Nuclear reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20reaction. Accessed 10 Jul. 2026.

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