nephelinite

noun

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
ˌne-fə-lə-ˈni-tik How to pronounce nephelinite (audio)
adjective

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1863, in the meaning defined above

Time Traveler
The first known use of nephelinite was circa 1863

Rhymes for nephelinite

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Browse Nearby Words

nepheline
nephelinite
nephelinization
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Cite this Entry

“Nephelinite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nephelinite. Accessed 4 May. 2025.

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