The molten rock ejected by a volcano from its crater or fissured sides.
Magma.
A shade of red, named after the volcanic lava.
The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.
The residuum after expressing the juice from fruits.
A basic algebraic structure consisting of a set equipped with a single binary operation.
Any soft doughy mass.