Definition of graviton in English:


Syllabification: grav·i·ton
Pronunciation: /ˈgraviˌtän


  • A hypothetical quantum of gravitational energy, regarded as a particle.
    More example sentences
    • Both represent the quantized field of a fundamental force: photons the electromagnetic field and gravitons the gravitational field.
    • But the black hole will eventually evaporate, leaving only photons, gravitons and other elementary particles as products of the decay.
    • These waves are literally gravitons - the hypothetical particles that carry the gravitational force - that have been stretched to macroscopic lengths by the cosmic expansion.


1940s: from gravitation + -on.

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