Definition of geodesy
: a branch of applied mathematics concerned with the determination of the size and shape of the earth and the exact positions of points on its surface and with the description of variations of its gravity field
geodesistplay \jē-ˈä-də-sist\ noun
Recent Examples of geodesy from the Web
The Air Force sent him back to school to get a master’s degree in geodesy—the science of defining the Earth’s size and shape and the fluctuations in its gravitational field.
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