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nephelinite

[ nef-uh-luh-nahyt ]
/ ˈnɛf ə ləˌnaɪt /
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noun Petrography.
a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine.
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Origin of nephelinite

First recorded in 1860–65; nepheline + -ite1

OTHER WORDS FROM nephelinite

neph·e·li·nit·ic [nef-uh-luh-nit-ik], /ˌnɛf ə ləˈnɪt ɪk/, adjective

Words nearby nephelinite

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use nephelinite in a sentence

British Dictionary definitions for nephelinite

nephelinite
/ (ˈnɛfɪlɪˌnaɪt) /

noun
a fine-grained basic laval rock consisting of pyroxene and nepheline
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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