Lava
English Meaning
The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States.
- Molten rock that reaches the earth's surface through a volcano or fissure.
- The rock formed by the cooling and solidifying of molten rock.