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English definition of “lightning conductor”

lightning conductor

noun [C] uk   UK (US lightning rod) us  
a strip of metal, going from the highest point of a building to the ground, that prevents lightning from damaging the building by taking the electricity to the ground before it can reach a dangerous levelPoles, rods, shafts and sticks
(Definition of lightning conductor from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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