gravity wave

English Thesaurus

1. (physics) a wave that is hypothesized to propagate gravity and to travel at the speed of light (noun.event)

hypernym	:	undulation, wave,
definition	:	(physics) a movement up and down or back and forth (noun.event)

domain category	:	natural philosophy, physics,
definition	:	the science of matter and energy and their interactions (noun.cognition)