First Known Use: circa 1863
Dictionary
nephelinite
noun neph·e·lin·ite \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
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Origin of NEPHELINITE
International Scientific Vocabulary
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