nephelinite
[ nef-uh-luh-nahyt ]
/ ˈnɛf ə ləˌnaɪt /
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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OTHER WORDS FROM nephelinite
neph·e·li·nit·ic [nef-uh-luh-nit-ik], /ˌnɛf ə ləˈnɪt ɪk/, adjectiveWords nearby nephelinite
nepeta, neph-, nephanalysis, Nephele, nepheline, nephelinite, nephelometer, nephew, nepho-, nephogram, nephograph
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for nephelinite
They are chiefly leucite and nepheline rocks, such as leucitite, leucitophyre and nephelinite, but basalt and trachyte also occur.
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
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