from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Either of two bosons, the W particle or the Z particle, that are quanta of the weak interaction. See Table at subatomic particle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the three fundamental particles (the two W-bosons and the Z-boson) that transmit the weak nuclear force and have a mass about 100 times that of a proton.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gauge boson that mediates weak interactions between particles
Sorry, no etymologies found.