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cutaway of the earth
a. The land surface of the world.
b. The softer, friable part of land; soil, especially productive soil.
2. often Earth The third planet from the sun, having a sidereal period of revolution about the sun of 365.26 days at a mean distance of approximately 149.6 million kilometers (92.96 million miles), a sidereal rotation period of 23 hours 56.07 minutes, an average radius of 6,378.1 kilometers (3,963 miles), and a mass of approximately 5.9736 × 1024 kilograms (1.3169 × 1025 pounds).
3. The realm of mortal existence; the temporal world.
4. The human inhabitants of the world: The earth received the news with joy.
a. Worldly affairs and pursuits.
b. Everyday life; reality: was brought back to earth from his daydreams of wealth and fame.
6. The substance of the human body; clay.
7. The lair of a burrowing animal.
8. Chiefly British The ground of an electrical circuit.
9. Chemistry Any of several metallic oxides, such as alumina or zirconia, that are difficult to reduce and were formerly regarded as elements.
v. earthed, earth·ing, earths
1. To cover or heap (plants) with soil for protection.
2. To chase (an animal) into an underground hiding place.
To burrow or hide in the ground. Used of a hunted animal.
Among all the possibilities: Why on earth did you put on that outfit?
The process of making a satisfactory electrical connection between the structure, including the metal skin, of an object or vehicle, and the mass of the Earth, to ensure a common potential with the Earth. See also bonding.