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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However, the researchers propose that nuclear reaction rates and the neutron’s decay rate slow by the same factor, preserving their relationship with the expansion rate. — Rupendra Brahambhatt, Interesting Engineering, 8 Nov. 2026 The authors of this paper, hailing from the Facility for Rare Isotope Beams (FRIB) in Michigan, studied the nuclear reaction that triggers X-ray bursts in greater detail than has been possible before. — Robert Lea, Space.com, 4 Sep. 2026 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 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 15 Nov. 2026.

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