Webster's Online Dictionary
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Definition: FIRST MERIDIAN

Part of Speech Definition
Expression 1. The meridian from which longitudes are reckoned. The meridian of Greenwich is the one commonly employed in calculations of longitude by geographers, and in actual practice, although in various countries other and different meridians, chiefly those which pass through the capitals of the countries, are occasionally used; as, in France, the meridian of Paris; in the United States, the meridian of Washington, etc.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Definition: FIRST MERIDIAN

Part of SpeechDefinition
Expression1. The meridian from which longitudes are reckoned. The meridian of Greenwich is the one commonly employed in calculations of longitude by geographers, and in actual practice, although in various countries other and different meridians, chiefly those which pass through the capitals of the countries, are occasionally used; as, in France, the meridian of Paris; in the United States, the meridian of Washington, etc.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Common Expressions: FIRST MERIDIAN

ExpressionsDefinition
First meridianThe meridian from which longitudes are reckoned. The meridian of Greenwich is the one commonly employed in calculations of longitude by geographers, and in actual practice, although in various countries other and different meridians, chiefly those which pass through the capitals of the countries, are occasionally used; as, in France, the meridian of Paris; in the United States, the meridian of Washington, etc. Source: Webster's Revised Unabridged Dictionary.

Source: compiled by the editor from various references; see credits.

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