the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein's theory of general relativity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions. See also neutrino supergravity.
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