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

Examples of gravitino in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Supergravity includes gravitons — the gravitational equivalent of photons — and adds a supersymmetric partner, the gravitino. Kenneth Chang, New York Times, 10 May 2023

Word History

Etymology

gravit(on) + -ino (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 26 Nov. 2024.

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