earth
1
a big round mass covered in land and water, on which we all live
- The Earth has diverse ecosystems, ranging from forests to deserts.
- The Earth is part of our solar system, orbiting around the sun.
- The Earth rotates on its axis, causing day and night.
- We live on planet Earth, which is our home.
- We should take care of the Earth by reducing our waste.
2
the solid surface of the planet distinguished from air or sea
3
the loose soft material that makes up a large part of the land surface
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4
a tunnel or hole dug underground by some animals, such as badgers, foxes, rabbits, or moles, for shelter and protection
5
the concerns of this life as distinguished from heaven and the afterlife
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6
the abode of mortals (as contrasted with Heaven or Hell)
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7
once thought to be one of four elements composing the universe (Empedocles)
8
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
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