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orthopyroxene

/ (ˌɔːθəʊpaɪˈrɒksiːn) /

noun

a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene

Nearby words

  1. orthopteron,
  2. orthopterous,
  3. orthoptic,
  4. orthoptics,
  5. orthoptist,
  6. orthorexia,
  7. orthorhombic,
  8. orthoscope,
  9. orthoscopic,
  10. orthoscopy
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

Science definitions for orthopyroxene

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.
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