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intermediate vector boson

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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 Z0 particle.
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Origin of intermediate vector boson

First recorded in 1965–70
Also called vector boson.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for vector boson

intermediate vector boson

noun
  1. physics a hypothetical particle believed to mediate the weak interaction between elementary particles
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

vector boson in Science

vector boson

  1. One of the four subatomic particles that mediate the four fundamental forces. The particles and their corresponding forces are: the photon and the electromagnetic force, the graviton and the gravitational force, the intermediate vector boson and the weak nuclear force, and the gluon and the strong nuclear force. The graviton has yet to be isolated in an experiment.
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intermediate vector boson

  1. Either of two subatomic particles, the W boson or the Z boson, that mediate the weak nuclear force.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.