either of two types of charged intermediate vector bosons, one having a positive charge and the other a negative charge. Symbols: W+, W−
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Origin of W particle
First recorded in 1970–75; apparently for weak
Also called W boson.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for w particle
physics a type of elementary particle with either a positive or negative charge considered to transmit the weak interaction between other elementary particles. W particles have a rest mass of 1.435 × 10 –25 kgAlso called: W boson See also Z particle
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
Science definitions for w particle
See W boson.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.