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longitude

From Longman Dictionary of Contemporary English
Related topics: Geography
longitudelon‧gi‧tude /ˈlɒndʒɪtjuːd $ ˈlɑːndʒɪtuːd/ noun [countable, uncountable]  the distance east or west of a particular meridian (=imaginary line along the Earth’s surface from the North Pole to the South Pole), measured in degreeslatitude The town lies at longitude 12° east.
Examples from the Corpus
longitudeThe time signals must originate from places of known latitude and longitude.The town is at longitude 21° east.In the course of their struggle to find longitude, scientists struck upon other discoveries that changed their view of the universe.Perhaps there was a way to read longitude in the relative positions of the celestial bodies.
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