volcanic

Connected with volcanoes and the heat, gas, or explosions they produce.

• Volcanic activity forced people to leave.
• Scientists are watching for signs of a volcanic eruption.
• The town uses volcanic heat to warm its buildings.

Common phrases: volcanic eruption, volcanic activity, volcanic heat

Made from hot melted rock that comes from inside the earth, usually through a volcano.

• The beach has black volcanic sand.
• These islands are made of volcanic rock.
• Farmers grow grapes in the rich volcanic soil.

Common phrases: volcanic rock, volcanic ash, volcanic island

Changed by the heat coming from a volcano.

• The stones showed volcanic alteration.
• Volcanic changes had hardened the surrounding rock.
• The team studied volcanic heat damage in the buried wood.

Common phrases: volcanic alteration, volcanic heat damage, volcanic transformation