Nephelinite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A darkish, finely crystalline rock of volcanic origin, being a mixture of nepheline and pyroxene countable, uncountable
  2. 2
    an igneous rock consisting of nepheline and pyroxene wordnet

Etymology

From nepheline + -ite.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.