geodetic longitude

American  

noun

1. the angle between the prime meridian and the meridian at a designated point on Earth's surface.

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geodetic longitude Scientific  

1. The angular distance between the prime meridian and another meridian passing through a point on the Earth's surface. Because the vertex of the angle is the center of the Earth, the same as for geocentric longitude, the value is the same for both types of longitude.

2. Compare geocentric longitude

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