mag·​ne·​site ˈmag-nə-ˌsīt How to pronounce magnesite (audio)
: native magnesium carbonate used especially in making refractories and magnesium oxide

Examples of magnesite in a Sentence

Recent Examples on the Web Among other features of interest, Jezero contains the mineral magnesite, whose formation suggests the region has been altered by water. Alison Klesman, Discover Magazine, 25 Aug. 2022 In Chemical Geology as well as a recent patent, Kelemen and his colleagues propose using a mineral called magnesite that, when heated, gives off pure CO2, which could be captured in tanks and pumped underground. Robert F. Service, Science | AAAS, 3 Sep. 2020 That reaction would leave magnesium oxide powder, which when spread thin would rapidly react with CO2 from the atmosphere, re-forming magnesite, completing a cycle that could be repeated over and over. Robert F. Service, Science | AAAS, 3 Sep. 2020 Taking carbon dioxide from the atmosphere and permanently storing it as magnesite is still a hypothetical. David Grossman, Popular Mechanics, 15 Aug. 2018 The problem is that, as a mineral, magnesite doesn't exactly form quickly. David Grossman, Popular Mechanics, 15 Aug. 2018 One metric ton of naturally forming magnesite can remove around half a ton of carbon dioxide from the atmosphere. David Grossman, Popular Mechanics, 15 Aug. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnesite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1815, in the meaning defined above

Time Traveler
The first known use of magnesite was in 1815

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Cite this Entry

“Magnesite.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

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