nephelinitic

neph·e·lin·ite

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

Origin:
1860–65; nepheline + -ite1

neph·e·li·nit·ic [nef-uh-luh-nit-ik] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
nephelinite (ˈnɛfɪlɪˌnaɪt) [Click for IPA pronunciation guide]
 
n
a fine-grained basic laval rock consisting of pyroxene and nepheline

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Nephelinitic is always a great word to know.
So is bezoar. Does it mean:
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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