geodesy








noun

  1. the branch of applied mathematics that deals with the measurement of the shape and area of large tracts of country, the exact position of geographical points, and the curvature, shape, and dimensions of the earth.

noun

  1. the branch of science concerned with determining the exact position of geographical points and the shape and size of the earth
n.

1560s, “surveying,” from Modern Latin geodaesia, from Greek geodaisia “division of the earth;” ultimately from ge “earth” (see Gaia) + stem of daiein “divide.”

  1. The scientific study of the size and shape of the Earth, its field of gravity, and such varying phenomena as the motion of the magnetic poles and the tides.
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