The shape of the earth, after the unevenness of the mountains and valleys have been removed, is geoid. This, rather unhelpful term means earth-shaped. The geoid represent the shape that would be attained by the earth's oceans in the absence of tides and currents; and which is them extended onto the continents. It is the baseline which identifies the mean sea level.
A simpler term is an oblate sphere. These is a flattened sphere.
Simplifying even more, the earth may be referred to as a sphere.
Earth is called "पृथ्वी" (Prithvi) in Hindi.
No, the centre of the Earth is called the Earth's core.
the outside of the earth is called the (crust).
Earth
The layer covering the earth is called the Earth's crust. It is the outermost layer of the Earth and is composed of solid rock material.
A pile of earth is called a mound.
The earth's blanket of air is called the atmosphere.
the surface of the earth where we live is called crust.
the Earth was always the Earth. the big continent was called Pangaea.
Earth's path around the Sun is called Earth's Orbit.
The moon is called a satellite of earth because it revolves around the earth
The terrestrial part of the earth is called the lithosphere, which includes the Earth's outermost layer of solid rock.