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[lon-ji-tood, -tyood] /ˈlɒn dʒɪˌtud, -ˌtyud/

Geography. angular distance east or west on the earth’s surface, measured by the angle contained between the meridian of a particular place and some prime meridian, as that of Greenwich, England, and expressed either in degrees or by some corresponding difference in time.

/ˈlɒndʒɪˌtjuːd; ˈlɒŋɡ-/
distance in degrees east or west of the prime meridian at 0° measured by the angle between the plane of the prime meridian and that of the meridian through the point in question, or by the corresponding time difference See latitude (sense 1)
(astronomy) short for celestial longitude

late 14c., “length,” from Latin longitudo “length, duration,” from longus (see long (adj.)). For origins, see latitude.

longitude [(lon-juh-toohd)]

A measurement, in degrees, of a place’s distance east or west of the prime meridian, which runs through Greenwich, England. (Compare latitude.)


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