ol·​iv·​ine | \ ˈä-lə-ˌvēn How to pronounce olivine (audio) \

Definition of olivine

: a usually greenish mineral that is a complex silicate of magnesium and iron used especially in refractories — compare peridot

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Other Words from olivine

olivinic \ ˌä-​lə-​ˈvi-​nik How to pronounce olivine (audio) \ or olivinitic \ ˌä-​lə-​və-​ˈni-​tik How to pronounce olivine (audio) \ adjective

Examples of olivine in a Sentence

Recent Examples on the Web Magnesium popped out from chemical reactions after the team tested typical rock-forming minerals (called olivine and ferropericlase), and compressed them to a high degree. Elizabeth Howell, 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 Basalt is the most common rock on Earth, formed directly by crystallization of feldspar, pyroxen, olivine and quartz from a magma rich in iron and silica. David Bressan, Forbes, 10 Mar. 2021 Over time, the olivine slowly dissolves and other minerals form within the veins. James Nestor, Scientific American, 12 Feb. 2018 Those waves traveled deep through the mantle and interacted with the mantle transition zone, a layer where pressure transforms the mineral olivine into wadsleyite. Paul Voosen, Science | AAAS, 15 Dec. 2020 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 This means the meteorite didn't sit still long enough to become weathered, for its metals to begin rusting, for water to seep in through cracks and contaminate it or for its minerals (like olivine) to be altered. Ashley Strickland, CNN, 27 Oct. 2020 Grinding up the olivine into sand creates more surface area in order to speed up the rate of carbon absorption. Caroline Delbert, Popular Mechanics, 11 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'olivine.' 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 olivine

1794, in the meaning defined above

History and Etymology for olivine

German Olivin, from Latin oliva

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The first known use of olivine was in 1794

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Last Updated

23 Jul 2021

Cite this Entry

“Olivine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/olivine. Accessed 29 Jul. 2021.

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More from Merriam-Webster on olivine

Britannica.com: Encyclopedia article about olivine


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