Definition of magnetite
:a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore
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Recent Examples of magnetite from the Web
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What’s more, magnetite crystals produced by bacteria have a distinctive string-of-pearls formation that was not found in the meteorite.
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Magnetotactic or magnetic bacteria have extremely small crystals of magnetite inside their bodies.
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
Learn More about magnetite
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See words that rhyme with magnetite Britannica.com: Encyclopedia article about magnetite
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