Earth's shape

• Surface like Earth's
• Imaginary surface coinciding with the earth's sea level
• Ellipsoid geometric figure
• Earth's shape, hypothetically
• Geographical geometric figure
• Earthlike shape
• Ellipsoid flattened at the poles

Wiktionary Word definitions in Wiktionary
n. A surface of constant gravitational potential at zero elevation.

Wikipedia Word definitions in Wikipedia
The geoid is the shape that the surface of the oceans would take under the influence of Earth 's gravitation and rotation alone, in the absence of other influences such as winds and tides. This surface is extended through the continents (such as with very ...