intermediate vector boson

American  

noun

Physics.

1. one of the three particles that are believed to transmit the weak force: the positively charged W particle, the negatively charged W particle, and the neutral Z 0 particle.

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intermediate vector boson British  

noun

1. physics a hypothetical particle believed to mediate the weak interaction between elementary particles

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intermediate vector boson Scientific  

1. Either of two subatomic particles, the W boson or the Z boson, that mediate the weak nuclear force.

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Etymology

Origin of intermediate vector boson

First recorded in 1965–70