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trachytes'
2 dictionary results for: trachytes'
American Heritage Dictionary - Cite This Source - Share This
tra·chyte     (trā'kīt', trāk'īt')  Pronunciation Key 
n.   A light-colored igneous rock consisting essentially of alkali feldspar.

[French, from Greek trākhus, rough.]
tra·chyt'ic (trə-kĭt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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The American Heritage Science Dictionary - Cite This Source - Share This
trachyte   (trā'kīt', trāk'īt')  Pronunciation Key 
A light-colored, fine-grained igneous rock consisting primarily of alkali feldspar together with some mafic minerals, especially hornblende. Unlike most igneous rocks, trachyte has little or no quartz. Trachyte is the fine-grained equivalent of syenite.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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