graviton

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.

noun

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

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