geothermal

or ge·o·ther·mic

[ jee-oh-thur-muhl ]

adjective

1. of or relating to the internal heat of the earth.

geothermal

/ ˌdʒiːəʊˈθɜːməl /

adjective

1. of or relating to the heat in the interior of the earth

geothermal

/ jē′ō-thûr′məl /

1. Relating to the internal heat of the Earth. The water of hot springs and geysers is heated by geothermal sources.
2. ◆ Geothermal energy is power generated from natural steam, hot water, hot rocks, or lava in the Earth's crust. In general, geothermal power is produced by pumping water into cracks in the Earth's crust and then conveying the heated water or steam back to the surface so that its heat can be extracted through a heat exchanger, or its pressure can be used to drive turbines.

Word History and Origins

Origin of geothermal¹

First recorded in 1870–75; geo- + thermal

Example Sentences

“I think the whole geothermal world are watching the KMT project,” says Prof Archer.

From BBC

A geothermal energy and lithium extraction plant is starting construction in the Imperial Valley.

From Los Angeles Times

They said, “Well, we don’t see us erecting any wind turbines in our town, but what about solar? What about geothermal?”

From Los Angeles Times

Electricity for the data center’s servers would come from the geothermal and solar plants built near the site in an area that has become known as Lithium Valley.

From Los Angeles Times

For Mammoth that electricity comes from a neighbouring geothermal power plant, so, while operating, the plant is emissions free.

From BBC