Question

what do you mean by the term Geoid or Oblate Spheroid​

Answer 1

Explanation:

The geoid is the shape like the surface of Earth. It is 3-D geometrical shape like an orange. Shapes of this kind are called oblate spheroid.

Answer 2

The geoid is a shape like the surface of the Earth. It is a 3-D geometrical shape like an orange. Shapes of this kind are called oblate spheroids, which is a kind of ellipsoid. ... It is often described as the true physical shape of the Earth. The study of Earth's measurements and shapes is called geodesy.