gravitino

noun

grav·​i·​ti·​no ˌgra-və-ˈtē-nō How to pronounce gravitino (audio)
: a hypothetical fermion that is associated with the graviton in theories of supergravity

Word History

Etymology

graviton + -ino (as in neutrino)

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of gravitino was in 1977

Dictionary Entries Near gravitino

Cite this Entry

“Gravitino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gravitino. Accessed 1 Apr. 2023.

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