g 2 l 1 u 1 o 1 n 1
5 letters · 6 points in Scrabble
Meaning
noun a gauge boson that mediates strong interaction among quarks
originFrom glue + -on. From being a particle (suffix "-on") that "glues" (attracts) together particles that feel the force carried by the gluon. Coined by American physicist Murray Gell-Mann in 1962.
Etymology from Wiktionary, CC BY-SA 3.0