striation
[stɹaɪˈeɪ.ʃən]
构词拆解
词源说明
释义
名词noun
- 1(countable, mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
- 2(countable, geomorphology) One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.