Prime Meridian Definition
prīm
noun
The meridian from which longitude is measured both east and west; 0° longitude: it passes through Greenwich, England.
Webster's New World
The meridian passing through Greenwich, England, designated as the zero meridian (0°) by an international conference in 1884.
American Heritage
Other Word Forms of Prime Meridian
Noun
Singular:
prime meridian
Plural:
prime meridiansRelated Articles
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