Question

definition of Geoid ??​

Answer 1

Answer:

a hypothetical solid figure whose surface corresponds to mean sea level and its imagined extension under (or over) land areas.

Answer 2

$\bf{Geoid}$

The geoid is the shape that the ocean surface would take under the influence of the gravity and rotation of Earth alone, if other influences such as winds and tides were absent. This surface is extended through the continents.