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earth

 
 
/ɜːθ/ noun

Definition

PLANET [no plural] (also the Earth) the planet that we live on
SUBSTANCE [U] soil or ground: a mound of earth
ELECTRICAL WIRE [C] UK (US ground) a wire that makes electrical equipment safer
cost/charge, etc the earth UK informal to cost/charge, etc an extremely large amount of money
(Definition of earth noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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