Nuclear reaction

noun

Definitions

Noun
  1. 1
    A process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and/or subatomic particles in which the number of protons and/or neutrons in a nucleus changes; the reaction products may contain a different element or a different isotope of the same element.
  2. 2
    (physics) a process that alters the energy or structure or composition of atomic nuclei wordnet

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