Greenwich mean time

noun, often capitalized M&T Green·wich mean time \ ˈgri-nij- , ˈgre- , -nich- \

Definition of Greenwich mean time

:the mean time of the meridian of Greenwich used historically as the prime basis of standard time throughout the world called also Greenwich time; compare coordinated universal time

Origin and Etymology of greenwich mean time

Greenwich, England


GREENWICH MEAN TIME Defined for English Language Learners

Greenwich mean time

noun

Definition of Greenwich mean time for English Language Learners

  • : the time in Greenwich, England, that is used as the basis of standard time throughout the world


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