pyroxene

noun
py·​rox·​ene | \ pī-ˈräk-ˌsēn How to pronounce pyroxene (audio) , pə- \

Definition of pyroxene

: any of a group of igneous-rock-forming silicate minerals that contain calcium, sodium, magnesium, iron, or aluminum, usually occur in short prismatic crystals or massive form, are often laminated, and vary in color from white to dark green or black

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Other Words from pyroxene

pyroxenic \ ˌpī-​ˌräk-​ˈsē-​nik How to pronounce pyroxene (audio) , pə-​ , -​ˈse-​ How to pronounce pyroxene (audio) \ adjective
pyroxenoid \ pī-​ˈräk-​sə-​ˌnȯid How to pronounce pyroxene (audio) , pə-​ \ adjective or noun

Examples of pyroxene in a Sentence

Recent Examples on the Web Basaltic lava has a low silica content and is composed predominantly of plagioclase, amphibole, and pyroxene. David Bressan, Forbes, 18 May 2021 The upper mantle is composed of silicates common in magmatic and metamorphic rocks, like olivine, pyroxene, and garnet. David Bressan, Forbes, 4 Mar. 2021 Made of minerals such as olivine and pyroxene, and sometimes glass, chondrules themselves come in a variety of shapes, sizes and compositions—often containing a glittering array of crystals. Jonathan O'callaghan, Scientific American, 8 Dec. 2020 Driving around Von Kármán, the Yutu-2 rover found material that, according to its spectrometer, looked to contain at least two minerals: low-calcium pyroxene and olivine. National Geographic, 15 May 2019 Models and some recent finds suggest the upper zones of the mantle are composed of the minerals pyroxene and olivine. National Geographic, 3 July 2019 The water content of minerals like pyroxene, known to be incredibly dry, were oddly wet in Bermuda’s core samples. Robin George Andrews, National Geographic, 17 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyroxene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pyroxene

1800, in the meaning defined above

History and Etymology for pyroxene

French pyroxène, from Greek pyr- + xenos stranger

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Time Traveler for pyroxene

Time Traveler

The first known use of pyroxene was in 1800

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Dictionary Entries Near pyroxene

pyrotritaric acid

pyroxene

pyroxene group

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Statistics for pyroxene

Last Updated

31 May 2021

Cite this Entry

“Pyroxene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyroxene. Accessed 30 Jul. 2021.

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More from Merriam-Webster on pyroxene

Britannica.com: Encyclopedia article about pyroxene

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