gravitino
/ˌɡrævɪˈtiːnoʊ/
noun
- A hypothetical elementary particle that is the superpartner of the graviton, predicted by theories of supersymmetry.
- If the gravitino exists, it would help explain the force of gravity at the quantum level.
- Physicists hope to detect the gravitino in future particle accelerator experiments.
- The gravitino is thought to be a candidate for dark matter.