Is “Gluon” a Scrabble word?
Yes
GLUON
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Gluon
/ˈɡluːɒn/
noun
1.A massless gauge boson that binds quarks together to form baryons, mesons and other hadrons and is associated with the strong nuclear force.