olivine
noun
ol·iv·ine
| \ ˈä-lə-ˌvēn
\
\
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
\
or olivinitic \ ˌä-lə-və-ˈni-tik
\
adjective
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or olivinitic \ ˌä-lə-və-ˈni-tik
\
adjective
Examples of olivine in a Sentence
Recent Examples on the Web
The examinations revealed that almost all of the rocks contained trapped methane that formed in a chemical reaction between seawater and a mineral in the rocks called olivine. — Tom Metcalfe, NBC News, "'Massive pool' of methane discovered hidden deep underground," 27 Aug. 2019 The cores and their outer layers feature different chemical makeups, and while the olivines cook in the magma, the cores and layers exchange chemical elements. — Robin George Andrews, National Geographic, "Magma speed record set by Icelandic volcano," 23 July 2019 The upper mantle, for instance, is primarily made of a mineral called olivine, which can’t store much water. — Quanta Magazine, "The Hunt for Earth’s Deep Hidden Oceans," 11 July 2018 Models and some recent finds suggest the upper zones of the mantle are composed of the minerals pyroxene and olivine. — National Geographic, "Why does Earth have a moon, and how does it affect our planet?," 3 July 2019 But below 410 kilometers, in the transition zone, high temperatures and pressures squeeze the olivine into a new crystal configuration called wadsleyite. — Quanta Magazine, "The Hunt for Earth’s Deep Hidden Oceans," 11 July 2018 This olivine fell out of the lava as it was spewed into the air, U.S. Geological Survey (USGS) scientist Wendy Stovall told Mashable. — Doyle Rice, USA TODAY, "It's 'raining' green crystals in Hawaii, thanks to Kilauea volcano eruption," 14 June 2018 The upper mantle, for instance, is primarily made of a mineral called olivine, which can’t store much water. — Quanta Magazine, "The Hunt for Earth’s Deep Hidden Oceans," 11 July 2018 Michael Garcia, a professor of geology at the University of Hawaii's Manoa campus in Honolulu, has a student who is extracting olivine from a 1985 eruption. — CBS News, "Hawaii's Kilauea volcano not actually raining gemstones," 20 June 2018These 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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