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| Generator
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(1) Machine for producing gas or steam. (2) Machine whose conductor moves through a magnetic field and converts mechanical energy into electrical energy when the device is rotated. (3) A dynamo. |
| Gentrification
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The rehabilitation of low-income housing into higher income housing, which results in the displacement of lower-income residents and generally occurs when an older neighborhood is revitalized. |
| Genura lamp
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A relatively new ge light source of a unique design. Features include a reflector shape, built-in high-frequency electronic ballast and an electrodeless arc tube. The 23 watt r25 genura lamp is rated for 1100 initial lumens and 10,000 hours life and is designed to directly replace a 75-watt incandescent reflector lamp. |
| Genus
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Used when naming plants. Almost always in Latin. Genus is the plant equivalent of our surnames. When followed by the name of the 'Species' you have it's botanical name. |
| Geodesic dome
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Round structure constructed of lightweight bars forming a grid of polygons. |
| Geodetic survey
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Survey that takes into consideration the curve of the earth. |
| Geographic information systems (gis)
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A computer mapping program where land characteristics and/or demographic information are color coded and often overlaid. The purpose is to determine locations of certain activity. |
| Geology
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Science dealing with the surface of the earth, its division into continents and countries, along with the climate, animals, plants, inhabitants, resources and industries of the various places. |
| Geomagnetic
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The magnetic properties of the earth. |
| Geometry
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Branch of mathematics dealing with points, lines, surfaces and solids to examine their properties, measurements and mutual relations in space. |
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