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A massless, neutral vector boson that mediates strong interactions between quarks, binding them together within hadrons.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) a hypothetical particle believed to be exchanged between quarks in order to bind them together to form particles
[C20: from glue + -on]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a hypothetical massless particle with spin 1 that is believed to transmit the strong force between quarks, binding them together into baryons and mesons.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.