taconite
/tak-uh-nahyt/US // ˈtæk əˌnaɪt //UK // (ˈtækəˌnaɪt) //
铁矿,铁燧石矿,铁燧石,铁燧岩
Definitions
n.名词 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.
Examples
It is estimated that taconite will be supplying about a third of our ores in less than 20 years.
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