noun Etymology: graviton + -ino (as in neutrino) Date: 1977 a hypothetical fermion that is associated with the graviton in theories of supergravity
GRAVITINO
Meaning of GRAVITINO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012