orthopyroxene

/ (ˌɔːθəʊpaɪˈrɒksiːn) /

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noun

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

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Words nearby orthopyroxene

orthopteron, orthopterous, orthoptic, orthoptics, orthoptist, orthopyroxene, orthorexia, orthorhombic, orthoscope, orthoscopic, orthoselection

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Scientific 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.