roche moutonnée
/ˌrɒʃmuːtɒˈneɪ/noun
(pl. roches moutonnées. 读音同)
- Geology a small bare outcrop of rock shaped by glacial erosion, with one side smooth and gently sloping and the other steep, rough, and irregular【地质】羊背石。
词源
mid 19th cent.: French, literally 'fleecy rock'.