nepheline / ˈnɛf ə lɪn /
🎓大学词汇侄女侄子肾上腺素
nepheline 的定义
n. 名词 noun- a feldspathoid mineral, essentially sodium aluminum silicate, NaAlSiO4, occurring in alkali-rich volcanic rocks.
更多nepheline例句
- The flows from Kibo include nepheline and leucite basanite lavas rich in soda felspars.
- Leucite and nepheline rocks have been found in various parts of the island, especially in the south-west.
- The largest of these streams is that from the Niedermendig, which consists of porous masses of nepheline lava.
- The nepheline is in small six-sized prisms, and usually cannot be detected with the unaided eye.
- This substance may be imperfectly crystallized nepheline, or a peculiar glass which is rich in soda.