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English definition of “Greenwich Mean Time”

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Greenwich Mean Time

noun [U] uk   /ˌɡren.ɪtʃˈmiːn.taɪm/ ( abbreviation GMT) us  
the time at Greenwich, Greater London, that world time zones are based on
Translations of “Greenwich Mean Time”
in Spanish hora del meridiano de Greenwich…
in Chinese (Traditional) 格林威治(平均)時,世界時…
in Chinese (Simplified) 格林尼治(平均)时,世界时…
(Definition of Greenwich Mean Time from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of Greenwich Mean Time?
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