geothermal

geothermal

CEFR: C1-C2 /ge-ot-her-mal/ [jh.iy2.ow0.th.er1.m.ah0.l]

Definition: Relating to or produced by the internal heat of the earth

Example Sentences:
Some 70 per cent of Iceland’s energy needs are met from geothermal sources. These rocks were later affected by low-grade metamorphism under high geothermal gradients