geothermal

American  

[jee-oh-thur-muhl] / ˌdʒi oʊˈθɜr məl /

Or geothermic

adjective

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

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geothermal British  

/ ˌdʒiːəʊˈθɜːməl /

adjective

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

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geothermal Scientific  

/ 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.

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Etymology

Origin of geothermal

First recorded in 1870–75; geo- + thermal

Example Sentences

One is a credit of up to $3,200 to cover big-ticket projects like solar panels, sun-powered water heaters and geothermal heat pumps.

From MarketWatch

Spanberger focused heavily on affordability in housing, healthcare and energy during her campaign and said she would expand and incentivize the development of solar energy projects, along with technologies such as fusion, geothermal and hydrogen.

From Los Angeles Times

While most people have no idea the boreholes are even there, they are revealing a potentially transformative heat source under our feet - geothermal energy.

From BBC

This insight is crucial for identifying safer areas for technologies such as geothermal energy extraction and underground energy storage.

From Science Daily

Nuclear is part of a medley of low-carbon-energy routes Google is betting on, from geothermal to carbon capture and storage, said Michael Terrell, Google’s director of energy.

From The Wall Street Journal