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The massless, neutral gauge boson postulated to mediate the gravitational interaction; the quantum of gravitational energy.
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 postulated quantum of gravitational energy, usually considered to be a particle with zero charge and rest mass and a spin of 2. Compare photon
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the theoretical quantum of gravitation with a zero rest mass and charge and a spin of two.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||graviton - a gauge boson that mediates the (extremely weak) gravitational interactions between particles|
gauge boson - a particle that mediates the interaction of two elementary particles
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