NUCLEAR REACTION Definition & Meaning

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nuclear reaction

noun

a process in which the structure and energy content of an atomic nucleus are changed by interaction with another nucleus or particle

nuclear reaction

A process, such as fission, fusion, or radioactive decay, in which the structure of an atomic nucleus is altered through release of energy or mass or by being broken apart.
See more at fission fusion

nuclear reaction

A reaction that changes the number of protons or neutrons in the nucleus of an atom. There are several kinds of nuclear reactions, including the fragmentation of large nuclei into smaller ones (nuclear fission), the building up of small nuclei into larger ones (nuclear fusion), and changes begun by collisions with elementary particles or other nuclei (as in particle accelerators).

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Example Sentences

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SMRs, sometimes called "mini nukes", work on the same principle as large reactors, using a nuclear reaction to generate heat that produces electricity.

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The newest nuclear reaction - Sizewell B - came into service some 30 years ago.

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Atoms split naturally, but in 1919, Rutherford oversaw the first artificially-induced nuclear reaction in human history at the Victoria University of Manchester's laboratories.

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The amount of metals a supernova has also influences aspects like the number of nuclear reactions it may have or how long its explosion remains bright.

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As nuclear reactions occur on the sun, it routinely expels material from its surface.

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nuclear radiation nuclear reactor

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