- 熔岩流 róngyánliú lava flowa stream or sheet of molten rock erupted from a volcano; a coulee
- 熔岩湖 róngyánhú lava lakelarge volume of molten lava contained in a volcanic vent, crater, or broad depression
- 枕状熔岩 zhěnzhuàngróngyán pillow lavain geology, a type of lava that contains characteristic pillow-shaped structures that form when lava flows into water
- 熔岩穹丘 róngyánqióngqiū magma domemagma dome; a volcanic dome formed by the slow extrusion of viscous lava
- 玄武质熔岩 xuánwǔzhìróngyán basaltbasalt; a dark volcanic rock
- 玄熔岩 xuánróngyán basalta type of dark volcanic rock or basaltic lava
