supergravity

[ soo-per-grav-i-tee ]

noun

, Physics.

1. supersymmetry

supergravity

/ ˌsuːpəˈɡrævɪtɪ /

noun

1. physics any of various theories in which supersymmetry is applied to the theory of gravitation

supergravity

/ so̅o̅′pər-grăv′ĭ-tē /

1. A quantum field theory that combines general relativity with supersymmetry in order to unify gravity with the other fundamental forces of nature. Supergravity predicts the existence of the graviton as a carrier for the force of gravity, as well as a corresponding particle called the gravitino, neither of which have been observed experimentally.

Word History and Origins

Origin of supergravity¹

First recorded in 1975–80; super- + gravity