Any of a class of particles, such as the photon, pion, or alpha particle, that have zero or integral spin and obey statistical rules permitting any number of identical particles to occupy the same quantum state.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "boson" in a sentence
"I am on the record saying that the existence of the Higgs boson is yet to be confirmed experimentally."
"Finding the Higgs boson is probably the only thing many people outside physics know about the impending experiments at Cern."
"The Higgs boson is the particle that is thought to give everything else in the universe mass, but that bit of theoretical physics is unlikely to be the reason most people have heard of it."