'graviton' definitions:
Definition of 'graviton'
From: WordNet
noun
A gauge boson that mediates the (extremely weak) gravitational interactions between particles
Definition of 'graviton'
From: GCIDE
- graviton \graviton\ n. (Physics) A theoretical gauge boson that mediates the (extremely weak) gravitational interactions between particles; the quantum of the gravitational field, having zero rest mass and a spin of 2. [WordNet 1.5 +PJC]