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单词 magnetite
释义

magnetite

noun

mag·​ne·​tite ˈmag-nə-ˌtīt How to pronounce magnetite (audio)
: a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore

Example Sentences

Recent Examples on the Web Those include clay pots fired in ancient kilns thousands of years ago, which sometimes contain small amounts of an iron ore called magnetite. Tom Metcalfe, NBC News, 4 July 2022 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 See More

Word History

First Known Use

1851, in the meaning defined above

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更新时间:2024/12/23 17:39:58