gravity wave
(redirected from G-mode pulsation)Also found in: Dictionary, Thesaurus.
gravity wave
[′grav·əd·ē ‚wāv] (fluid mechanics)
A wave at a gas-liquid interface which depends primarily upon gravitational forces, surface tension and viscosity being of secondary importance.
A wave in a fluid medium in which restoring forces are provided primarily by buoyancy (that is, gravity) rather than by compression.