neph·​e·​lin·​ite ˈne-fə-lə-ˌnīt How to pronounce nephelinite (audio)
: a silica-deficient igneous rock having nepheline as the predominant mineral
nephelinitic adjective

Word History


International Scientific Vocabulary

First Known Use

circa 1863, in the meaning defined above

Time Traveler
The first known use of nephelinite was circa 1863

Dictionary Entries Near nephelinite

Cite this Entry

“Nephelinite.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

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