nephelinite


neph·e·lin·ite

noun \ˈne-fə-lə-ˌnīt\

Definition of NEPHELINITE

:  a silica-deficient igneous rock having nepheline as the predominant mineral
neph·e·lin·it·ic \ˌne-fə-lə-ˈni-tik\ adjective

Origin of NEPHELINITE

International Scientific Vocabulary
First Known Use: circa 1863

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