nephelinite
noun
neph·e·lin·ite
ˈne-fə-lə-ˌnīt 
: a silica-deficient igneous rock having nepheline as the predominant mineral
Word History
Etymology
International Scientific Vocabulary
First Known Use
circa 1863, in the meaning defined above
Dictionary Entries Near nephelinite
Cite this Entry
“Nephelinite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nephelinite. Accessed 16 Apr. 2024.
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Britannica.com: Encyclopedia article about nephelinite
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