What does "graviton" mean?

A hypothetical gauge boson that regulates the gravitational force. It would have a spin of 2 and zero rest mass.

What is a synonym for "graviton"?

Common synonyms include: g, gravitation, gravitons, gravity, mass, neutron.

Graviton

//ˈɡɹavɪtɒn// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A hypothetical gauge boson that regulates the gravitational force. It would have a spin of 2 and zero rest mass. particle
2
a gauge boson that mediates the (extremely weak) gravitational interactions between particles wordnet

Synonyms

All synonyms

g gravitation gravitons gravity mass neutron

Etymology

From gravity + -on. Coined by Russian physicists Dmitrii Blokhintsev and F. M. Gal'perin in 1934, and reintroduced by English physicist Paul Dirac in 1959 in a lecture to the American Physical Society.

Related phrases

gauge boson rest mass

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.