A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.
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.