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taconite

[ tak-uh-nahyt ]

noun

  1. a low-grade iron ore, containing about 27 percent iron and 51 percent silica, found as a hard rock formation in the Lake Superior region.


taconite

/ ˈtækəˌnaɪt /

noun

  1. a fine-grained sedimentary rock containing magnetite, haematite, and silica, which occurs in the Lake Superior region: a low-grade iron ore


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Word History and Origins

Origin of taconite1

1890–95, Americanism; named after the Taconic mountain range (east of the Hudson River); -ite 1

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Word History and Origins

Origin of taconite1

C20: named after the Taconic Mountains in New England

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Example Sentences

It is estimated that taconite will be supplying about a third of our ores in less than 20 years.

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Taconic Mountainstact