Definition

Relating to the heat that comes from inside the Earth, often used for energy or heating.

Example

Geothermal energy is a renewable resource that can be used for heating homes and generating electricity.

Conversation

Have you heard about the new geothermal energy project in our town?

Yeah, I read that it could really help reduce our electricity bills.

I think it’s amazing how we can use the earth's heat for energy.

Absolutely! It’s a smart way to go green and save money.

Synonyms & Antonyms

Root Explanation

Geothermal → It is formed from "geo-" (from Greek "gē", meaning earth) and "thermal" (from Greek "thermos", meaning heat). The word refers to heat that comes from the earth.

Memory Tip

Think of 'geo' meaning earth and 'thermal' meaning heat — geothermal refers to heat that comes from the earth.

Visually Confused Words