prime meridian

pri·me·me·ridian

uncommon

noun

1.

meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)

Synonyms

prime meridian

Related words

Broader terms

meridian

WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.

Grammar

noun
singular	prime meridian
plural	prime meridians

Nearby words

primer primer coat primeval prime factor prime interest rate prime minister prime mover prime number prime of life prime quantity

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