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English Lexicon

Pyroxene

/ˈpaɪ.rəˌksiːn/
nounCEFR C2 (Proficient)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Any of a large group of rock-forming dark-colored inosilicate minerals consisting of silicates of calcium, magnesium, iron, and aluminium, common in igneous and metamorphic rocks.

    "The volcanic rock contained prominent phenocrysts of plagioclase and pyroxene."
  2. 2

    A specific mineral group characterized by a single chain of silica tetrahedra with the general formula XY(Si,Al)2O6.

    "Mineralogists analyzed the crystal structure of the pyroxene sample using X-ray diffraction."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Coined in 1796 by French mineralogist René Just Haüy, the term derives from the Greek words 'pyr' (fire) and 'xenos' (stranger). Haüy originally believed these crystals were foreign bodies accidentally found in lavas, hence 'stranger of fire'.

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