noun, Astronomy, Physics.
(in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars.
(physics) another name for gravity wave
[grav-i-tey-tiv] /ˈgræv ɪˌteɪ tɪv/ adjective 1. of or relating to . 2. tending or causing to . /ˈɡrævɪˌteɪtɪv/ adjective 1. of, involving, or produced by gravitation 2. tending or causing to gravitate
[grav-i-tee-noh] /ˌgræv ɪˈti noʊ/ noun, Physics. 1. the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein’s theory of general relativity. gravitino (grāv’ĭ-tē’nō) A hypothetical particle postulated in supergravity theory to correspond to the graviton, just as neutrinos correspond to other fermions. See also neutrino, supergravity.
[grav-i-ton] /ˈgræv ɪˌtɒn/ noun, Physics. 1. the theoretical quantum of gravitation, usually assumed to be an elementary particle that is its own antiparticle and that has zero rest mass and charge and a spin of two. /ˈɡrævɪˌtɒn/ noun 1. a postulated quantum of gravitational energy, usually considered to be a particle with zero charge and […]
gravitropism (grā-vĭt’rə-pĭz’əm) See geotropism.