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n. Molten rock that reaches the earth's surface through a volcano or fissure.

n. The rock formed by the cooling and solidifying of molten rock.

n. The melted rock ejected by a volcano from its crater or fissured sides.

n. Magma.

n. 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.

n. Molten rock which issues from a volcano during an eruption; the same when cooled and hardened.

n. rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface

"“So I have to get to the bathroom without stepping on the floor, because it is covered in lava and alligators?”"

volcanic rock   

block lava    ropy lava    lava millstone    lavaware    pahoehoe    aa   

aa    pahoehoe    pillow lava   

lava ware    lava lamp    Lava millstone   

coulee    slag    pumice    bomb   

Cava    Java    Sava    bava    cava    fava    guava    java    slava   

sandstone    basalt    slag    cinder    chalk    gravel    quartz    shale    débris    ice