| 单词 | nephelinite |
| 释义 | nephelinite —nephelinitic /nef'euh leuh nit"ik/, adj. /nef"euh leuh nuyt'/, n. Petrog. a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine. [1860-65; NEPHELINE + -ITE1] |
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