- 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
[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