diapir
/ˈdaɪəpɪə(r)/noun
- Geology a domed rock formation in which a core of rock has moved upward to pierce the overlying strata【地质】底辟, 挤入构造。
派生词
diapiric
adjectivediapirism
noun词源
early 20th cent.: from Greek diapeirainein 'pierce through'， from dia 'through' + peirainein （from peran 'pierce'）.