weak interaction

American  

noun

Physics.

1. the interaction between elementary particles and the intermediate vector bosons that carry the weak force from one particle to another.

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weak interaction British  

noun

1. Also called: weak nuclear interaction.   weak nuclear force.  physics an interaction between elementary particles that is responsible for certain decay processes, operates at distances less than about 10 ^–15 metres, and is 10 ¹² times weaker than the strong interaction. The weak interaction and electromagnetic interactions are now described by the unifying electroweak theory See interaction electroweak interaction

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weak interaction Scientific  

1. See weak force

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Etymology

Origin of weak interaction

First recorded in 1960–65