neph·e·lin·ite (n f  -l -n t )n. An igneous rock consisting chiefly of pyroxene and nepheline. |
nephelinite [ˈnɛfɪlɪˌnaɪt]
n
(Earth Sciences / Geological Science) a fine-grained basic laval rock consisting of pyroxene and nepheline
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | nephelinite - an igneous rock consisting of nepheline and pyroxene mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition nepheline, nephelite - a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels pyroxene - any of a group of crystalline silicate mineral common in igneous and metamorphic rocks |
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