GIS Dictionary
Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.
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graticule
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[cartography]
A network of longitude and latitude lines on a map or chart that relates points on a map to their true locations on the earth. 
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[astronomy]
A glass plate or cell with a grid or cross wires on it that rests in the focal plane of the eyepiece of a telescope, used to locate and measure celestial objects.
