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

Dictionary Entries Near nephelinite

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 23 Mar. 2023.

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More from Merriam-Webster on nephelinite

Britannica.com: Encyclopedia article about nephelinite

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