˜yÐÄvlog

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nephelinite

[ nef-uh-luh-nahyt ]

noun

Petrography.
  1. a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine.

nephelinite

/ ˈ²ÔÉ›´Úɪ±ôɪˌ²Ô²¹Éª³Ù /

noun

  1. 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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Other ˜yÐÄvlog Forms

  • ²Ô±ð±è³ó·±ð·±ô¾±Â·²Ô¾±³Ù·¾±³¦ [nef-, uh, -l, uh, -, nit, -ik], adjective
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˜yÐÄvlog History and Origins

Origin of nephelinite1

First recorded in 1860–65; nepheline + -ite 1
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Example Sentences

Examples have not been reviewed.

They are chiefly leucite and nepheline rocks, such as leucitite, leucitophyre and nephelinite, but basalt and trachyte also occur.

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