2 Terms
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Mapping science
The systemic study of the processes and designs involved with map making.
Industry: Earth science
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Mapping science
Eccentricity of alidade
Earth science; Mapping science
The distance between the centre defined by the index points on the alidade and the centre defined by the graduated circle. The index points (on vernier or micrometre microscope) are on the alidade, ...
Dummy
Earth science; Mapping science
(1) A preliminary drawing or layout showing the positions of the illustrations and text as they will appear in the final reproduction. (2) A set of blank pages made up to show the size, shape, and ...
Drag coefficient
Earth science; Mapping science
The quantity k in the formula F = ½k ρ A v², in which F is the force exerted by a fluid on a moving body, ρ is the density of the fluid, A is the frontal area of the body in the direction of ...
Drop out
Earth science; Mapping science
A halftone negative which has received a modified or supplementary exposure so that the extreme highlights or the white background of the artwork will not produce a printing dot on the negative.
Meridional eccentricity
Earth science; Mapping science
That eccentricity of an ellipsoid which is the eccentricity of a section by a plane through the longest and shortest axes.
False easting
Earth science; Mapping science
A constant value added to all eastings, or from which all westings are subtracted, to produce only positive values.
Ebb current
Earth science; Mapping science
The movement of a tidal current away from shore or down a tidal river or estuary.
