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English definition of “meteor”

meteor

noun [C] uk   /ˈmiː.ti.ɔːr/ us    /-t̬i.ɔːr/
a piece of rock or other matter from space that produces a bright light as it travels through the Earth's atmosphere Astronomy - general words
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(Definition of meteor from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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