释义 |
Definition of maar in English: maarnoun mɑːmär Geology A broad, shallow crater, typically filled by a lake, formed by a volcanic eruption with little lava. 〔地质〕低平火山口;火口湖 Example sentencesExamples - Monogenetic volcanoes are small and occur as scoria cones, tuff cones and rings, and maars; they form from single, typically brief eruptions.
- However, with an initial diameter of about 1,500 m the Messel maar was certainly considerably larger than the Eckfeld Maar.
Synonyms hollow, bowl, basin, pan, hole, cavity, pocket
OriginEarly 19th century: from German dialect, originally denoting a kind of crater lake in the Eifel district of Germany. Definition of maar in US English: maarnounmär Geology A broad, shallow crater, typically filled by a lake, formed by a volcanic eruption with little lava. 〔地质〕低平火山口;火口湖 Example sentencesExamples - However, with an initial diameter of about 1,500 m the Messel maar was certainly considerably larger than the Eckfeld Maar.
- Monogenetic volcanoes are small and occur as scoria cones, tuff cones and rings, and maars; they form from single, typically brief eruptions.
Synonyms hollow, bowl, basin, pan, hole, cavity, pocket
OriginEarly 19th century: from German dialect, originally denoting a kind of crater lake in the Eifel district of Germany. |