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

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

For the first time in nearly a decade, federal officials on Tuesday auctioned off leases for new geothermal energy projects in California — and all 13 parcels offered received bids.

From Los Angeles Times

"I believe the UK needs whatever indigenous energy it can get, be it wind, solar, geothermal."

From BBC

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma and Lake counties.

From Los Angeles Times

Other sources of power in L.A.’s portfolio include hydrogen, natural gas, biomass, geothermal, nuclear and coal, which the city aims to decommission by the end of this year.

From Los Angeles Times

The bill also eliminates tax credits for electric vehicles and chargers, as well as battery storage systems, geothermal heating, electric panel upgrades, energy audits and weatherization, all of which can lower consumer’s energy bills.

From Salon