the mass of a body as measured by its gravitational attraction for other bodies.
the mass of a body determined by its response to the force of gravity Compare inertial mass
noun, Astronomy. 1. .
- Gravitational ulcer
gravitational ulcer n. A leg ulcer that is slow to heal because of the position of the extremity and the incompetence of the valves of the varicosed veins.
noun, Physics, Astronomy. 1. (in general relativity) the shift toward longer wavelengths of electromagnetic radiation emitted by a source in a gravitational field, especially at the surface of a massive star.
noun, Astronomy, Physics. 1. (in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars. noun 1. (physics) another name for gravity wave