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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Mapping science 
chronometer time
Earth science; Mapping science
Time determined by reference to the indications of a chronometer. i.e., clock time for which a chronometer is used.
rotating body
Earth science; Mapping science
A body which rotates about an axis within the body. Not to be confused with a revolving body, which moves about an axis outside the body. The theory of rotating bodies is ...
classification copy
Earth science; Mapping science
Source material used as a guide by the compiler and/or draftsman in preparing a map or chart and consisting, usually, of details on roads, railroads, cities, and the like that ...
collimation plane
Earth science; Mapping science
The plane described by the collimation axis of the telescope of a transit or theodolite when the telescope is rotated around a horizontal axis.
isomagnetic chart
Earth science; Mapping science
A chart showing the shape of the Earth's magnetic field by isogonic, isoclinic, or isodynamic lines.
boundary vista
Earth science; Mapping science
A lane cleared along a boundary line which passes through a wooded region. A boundary vista is used to make it easy to identify a boundary line and to help civil administration ...
circle of longitude
Earth science; Mapping science
(1) A circle, on the celestial sphere, parallel to the plane of the ecliptic. (2) A circle, on a sphere representing the Earth parallel to the plane of the Equator; a parallel ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)