noun
Geological term for a volcano built from alternating layers of lava and ash; contrasted with 単式火山 (simple volcano).
See also: 単式火山
富士山は複式火山の代表例です。
Mount Fuji is a classic example of a composite volcano.
単式火山 is a simple volcano with a single vent, while 複式火山 is a composite volcano with multiple vents and layered structure.
Compound of 複式 (compound, multiple) and 火山 (volcano). The term is a direct translation of the English 'composite volcano'.