solidified lava

noun
UK /səˈlɪdɪfaɪd ˈlɑːvə/
US /səˈlɪdɪfaɪd ˈlɑːvə/

Lava that has cooled down and become hard rock.

We walked across the solidified lava from the old volcano.


OTHER MEANINGS

2. Rock formed when molten lava cools and hardens on the surface.

The solidified lava formed a dark, rocky field.

3. A hard crust that forms over a lava flow as it cools.

The scientists stepped carefully on the solidified lava crust.

4. Any once-melted material that has become solid again.

The candle wax was like solidified lava on the table.