Dictionary.com
definitions
  • synonyms

taconite

[tak-uh-nahyt]
See more synonyms for taconite on Thesaurus.com
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.
Show More

Origin of taconite

1890–95, Americanism; named after the Taconic mountain range (east of the Hudson River); see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for taconite

Historical Examples

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

    The Practical Values of Space Exploration

    Committee on Science and Astronautics


British Dictionary definitions for taconite

taconite

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

Word Origin

C20: named after the Taconic Mountains in New England
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012