weak interaction

noun, Physics.
1.
the interaction between elementary particles and the intermediate vector bosons that carry the weak force from one particle to another.
Origin
1960-65
Examples from the web for weak interaction
  • There was no distinction between electromagnetism and the weak interaction.
British Dictionary definitions for weak interaction

weak interaction

noun
1.
(physics) an interaction between elementary particles that is responsible for certain decay processes, operates at distances less than about 10–15 metres, and is 1012 times weaker than the strong interaction. The weak interaction and electromagnetic interactions are now described by the unifying electroweak theory Also called weak nuclear interaction, weak nuclear force See interaction (sense 2), electroweak interaction
weak interaction in Science
weak interaction  
See weak force.