adj ·4 syllables ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Pertaining to heat energy extracted from reservoirs in the earth's interior. not-comparable

Adjective

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

Synonyms

All synonyms

geothermicgeothermic

Example

More examples

"I would like to set up a geothermal installation."

Etymology

From geo- + thermal.

Related phrases

geothermal energyhydro-geothermalgeothermal energy

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.