Science qui étudie la forme de la Terre.
ETYM Greek; gea the earth + daiesthai to divide: cf. French géodésie.
The branch of geology that studies the shape of the earth and the determination of the exact position of geographical points.
Earth measurement on a large scale.
Mathematical study of the earth, its shape, measurements, etc., and the position and area of points and parts of its surface.
Methods of surveying the Earth for making maps and correlating geological, gravitational, and magnetic measurements. Geodesic surveys, formerly carried out by means of various measuring techniques on the surface, are now commonly made by using radio signals and laser beams from orbiting satellites.