1.
lava
Molten rock that flows from a volcano during an eruption, or the solidified rock formed when it cools.
火山から溶岩が流れ出した。
Lava flowed out of the volcano.
溶岩が冷えて固まった岩が見られる。
You can see rocks formed from cooled and solidified lava.
富士山の周辺には過去の噴火で流れた溶岩の跡がある。
Around Mt. Fuji, there are traces of lava that flowed from past eruptions.
USAGE:
The characters literally mean "melted rock" (溶ける + 岩). Refers to both the molten state during eruption and the solidified rock afterward. Japan has many active volcanoes, making this word relevant in geography, tourism, and disaster preparedness.
The underground version before eruption is called マグマ (magma).
COMMON COLLOCATIONS:
- 溶岩が流れる: lava flows
- 溶岩流: lava flow
- 溶岩台地: lava plateau
- 溶岩ドーム: lava dome