geodesy


ge·od·e·sy

noun \jē-ˈä-də-sē\

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
ge·od·e·sist \-də-sist\ noun

Origin of GEODESY

Greek geōdaisia, from geō- ge- + daiesthai to divide — more at tide
First Known Use: 1853

Rhymes with GEODESY

geodesy

noun    (Concise Encyclopedia)

Scientific discipline concerned with the size and shape of the Earth, its gravitational field, and the location of fixed points. Originally, all geodesic work was based on land surveys. Now satellites are used in conjunction with the land-based system.

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