Greenwich meridian

noun

Definition of Greenwich meridian

: the prime meridian that passes through Greenwich

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First Known Use of Greenwich meridian

1715, in the meaning defined above

History and Etymology for Greenwich meridian

from Greenwich, England

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The first known use of Greenwich meridian was in 1715

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Cite this Entry

“Greenwich meridian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Greenwich%20meridian. Accessed 16 Jun. 2021.

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