From Longman Dictionary of Contemporary Englishlongitudelon‧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 degrees → latitude The town lies at longitude 12° east.
Examples from the Corpus
longitude• The 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.Origin longitude (1300-1400) Latin longitudo “length”, from longus “long” 