Meaning
The shape, extending through landmasses (continents, etc.), that the surface of the oceans of the Earth would take under the influence of the Earth's gravity and rotation alone, disregarding other factors such as winds and tides; that is, a surface of constant gravitational potential at zero elevation.
Etymology
Origin: German
From German Geoid (“geoid”), analysable as geo- + -oid.
Synonyms & Antonyms
NYT Puzzle Appearances
Accepted in 5 recorded puzzles: