# graviton

> English word · Noun · IPA /ˈɡɹavɪtɒn/ · frequency rank #74,133

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

## 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/graviton