magnetite

noun
mag·​ne·​tite | \ ˈmag-nə-ˌtīt How to pronounce magnetite (audio) \

Definition of magnetite

: a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore

Examples of magnetite in a Sentence

Recent Examples on the Web His research has provided a biophysical basis for understanding magnetic effects on animal behavior, including how accumulations of the mineral magnetite in specialized organs may explain magnetic field sensitivity in salmon and higher animals. Los Angeles Times, 25 July 2021 According to lobbying group the Minerals Council of Australia, hematite usually contains more than 50% iron compared to as low as 16% in magnetite. Ben Westcott, CNN, 6 May 2021 Without it, Geobacter could no longer change rust into magnetite. Sophie Bushwick, Scientific American, 23 Nov. 2020 One involves a mineral called magnetite, whose crystals act as small, rotating magnets. Ed Yong, The Atlantic, 24 Feb. 2020 To find out, Martin’s and Moran’s teams joined forces to investigate three iron-rich minerals found near vents: greigite, magnetite, and awaruite. Robert F. Service, Science | AAAS, 2 Mar. 2020 Early iron compass needles were magnetized by lodestone, or magnetized magnetite minerals, pulled from the Earth. Jennifer Leman, Popular Mechanics, 7 Dec. 2019 And that includes the, sort of the magnetite sediment that is being dumped into the lake. National Geographic, 19 Nov. 2019 Specifically, the multi-heavy mineral prospect consists of abrasives garne and epidote, and zircon, magnetite and gold. Elwood Brehmer, Anchorage Daily News, 7 Nov. 2019 See More

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

First Known Use of magnetite

1851, in the meaning defined above

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Time Traveler for magnetite

Time Traveler

The first known use of magnetite was in 1851

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Dictionary Entries Near magnetite

magnetist

magnetite

magnetite series

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Statistics for magnetite

Cite this Entry

“Magnetite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetite. Accessed 27 Jun. 2022.

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More from Merriam-Webster on magnetite

Britannica.com: Encyclopedia article about magnetite

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