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taconite Line breaks: tacon|ite
Pronunciation: /ˈtakənʌɪt/

Definition of taconite in English:


[mass noun]
A low-grade iron ore consisting largely of chert, occurring chiefly around Lake Superior in North America.
Example sentences
  • She was loaded with 26,000 tons of taconite at Superior, WI, on Nov.9, 1975 and left the port of Duluth-Superior, at the western end of Lake Superior shortly after 2: 00 p.m. in fair weather but with a foul forecast lying in wait.
  • The Mesabi Iron Range contains some 110 miles of small towns built at the turn of the last century along a seam of iron ore called taconite.
  • An increasingly important source of iron for commercial uses is taconite, a mixture of hematite and silica.


Early 20th century: from the name of the Taconic Range of mountains, US, + -ite1.

Definition of taconite in:

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