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earth

 
/ɜrθ/ n [U] (PLANET)

Definition

the planet third in order of distance from the sun, after Venus and before Mars; the world on which we live: Earth looks incredibly beautiful from space. His trainer called him the greatest boxer on earth (= in the world).
(Definition of earth n (PLANET) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“earth” in other dictionaries

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