bn:00064388n
Noun Concept
Categories: Geography of Greenwich, 1851 establishments in the United Kingdom, English inventions, Royal Observatory, Greenwich, Named meridians
EN
prime meridian  Greenwich prime meridian  Airy meridian  Greenwich Meridian Line
EN
Meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) WordNet 3.0
English:
Greenwich
Definitions
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EN
Meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) WordNet 3.0 & Open English WordNet
The historic prime meridian or Greenwich meridian is a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England. Wikipedia
The reference line at 0° longitude, passing through Greenwich, England, from which longitude east and west is measured. Wiktionary
Reference line. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
Wiktionary