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weak interaction

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
weak interaction
n.
A fundamental interaction between elementary particles that is several orders of magnitude weaker than the electromagnetic interaction and is responsible for some particle decay, nuclear beta decay, and neutrino absorption and emission. Also called weak force.
weak interaction
See weak force.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.weak interaction - (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons
weak force
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
fundamental interaction, interaction - (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons


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