block lava
noun Geology.
basaltic lava in the form of a chaotic assemblage of angular blocks; aa.
Origin of block lava
First recorded in 1910–15
Words nearby block lava
block grant,
block heater,
block house,
block in,
block island,
block lava,
block letter,
block line,
block mast,
block mountain,
block out
British Dictionary definitions for block lava
block lava
noun
volcanic lava occurring as rough-surfaced jagged blocks