Geoid inggih punika wangun sane lakar kaambil permukaan pasih ring beten pangaruh gravitasi bumi, ngeranjing gaya tarik gravitasi lan rotasi bumi, yening pengaruh liyanan sakadi angin lan pasang surut nenten wenten.
The 'geoid' is the shape the surface of the oceans would have if only influenced by the gravity and rotation of the Earth, and without the effects of other common factors such as winds and tides.