gravitino
Americannoun
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A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions.
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See also neutrino supergravity
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Supergravity includes gravitons — the gravitational equivalent of photons — and adds a supersymmetric partner, the gravitino.
From New York Times • May 8, 2023
But he admits that it will be extremely hard to achieve, because the gravitino should interact so weakly with any other particles.
From Scientific American • Aug. 6, 2019
Clinching evidence, though, would come from detection of the gravitino itself.
From Scientific American • Aug. 6, 2019
The gravitino predicted by supergravity has also been posited as a candidate for the mysterious dark matter thought to outweigh the universe’s visible matter by about a factor of five.
From Scientific American • Aug. 6, 2019
The team proposed a super-twin for the graviton called the gravitino.
From Nature • Aug. 5, 2019
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
