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geothermal energy:see energy, sources ofenergy, sources of,
origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other applications.
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1. Produced by using the heat below the earth’s surface. Geothermal heat pumps are necessary for residential use; for commercial use, power plants are built on the surface to convert geothermal energy into electricity. See also: Energy
2. Hot water or steam extracted from reservoirs beneath the Earth’s surface; can be used for heat pumps, water heating, or electricity generation. The term may also mean the use of near-constant underground temperatures by ground-source heat pumps to provide heating and cooling.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
geothermal energy[¦jē·ō‚thərm·əl ′en·ər·jē]
Thermal energy contained in the earth; can be used directly to supply heat or can be converted to mechanical or electrical energy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.