英語・英会話の情報センター
現代世界の英語−気象 (10)
火山
volcano
火山学 volcanology
火山学者 volcanologist
活火山
active volcano
active volcano: an active volcano is likely to explode at any time - LDCE
The volcano became active last year with a series of eruptions. - LDCE
休火山
dormant volcano
dormant: not active or not growing at the present time but able to be active later - LDCE
The long-dormant volcano has recently shown signs of erupting. - CALD
死火山
extinct volcano
extinct volcano: an extinct volcano does not erupt any more - LDCE
海底火山
submarine volcano
火山噴火
volcanic eruption
eruption < erupt: if a volcano erupts, it explodes and sends smoke, fire, and rock into the sky - LDCE
Since the volcano last erupted, many houses have been built in a dangerous position on its slopes. - CALD
火山活動 volcanic activity
溶岩流
lava flow
lave: hot liquid rock which comes out of the earth through a volcano, or the solid rock formed when it cools - CALD
火砕流
pyroclastic flow
pyroclastic: formed by or involving fragmentation as a result of volcanic or igneous action - Webster Collegiate Dictionary
土石流
avalanche of rocks and earth (TREND)
avalanche: a large mass of snow, ice, and rocks that falls down the side of a mountain - LDCE
山崩れ、地滑り
landslide
landslide: a mass of rock and earth moving suddenly and quickly down a steep slope - CALD
土砂崩れ
mudslide
mudslide: when a lot of wet earth suddenly falls down the side of a hill - LDCE
Torrential rains caused a massive mudslide. - LDCE
