taconite: Meaning and Definition of

tac•o•nite

Pronunciation: (tak'u-nīt"), [key]
— n.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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