nephelinite

play
noun neph·e·lin·ite \ˈne-fə-lə-ˌnīt\

Definition of nephelinite

  1. :  a silica-deficient igneous rock having nepheline as the predominant mineral

nephelinitic

play \ˌne-fə-lə-ˈni-tik\ adjective

Origin and Etymology of nephelinite

International Scientific Vocabulary


First Known Use: circa 1863


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