/ (ˌɔːθəʊpaɪˈrɒksiːn) /
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a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
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Words nearby orthopyroxene
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
Scientific definitions for orthopyroxene
[ ôr′thə-pī-rŏk′sēn′ ]
Any variety of the mineral pyroxene that crystallizes in the orthorhombic system and contains no calcium and little or no aluminum. Enstatite is an orthopyroxene.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.