taconiteEnglishOxford New American Dictionarytaconite /ˈtakəˌnīt, ˈtækəˌnaɪt / ▸ noun a low-grade iron ore consisting largely of chert, occurring in the US chiefly around Lake Superior. – ORIGIN early 20th century : from the name of the Taconic Range of mountains, US, + -ite1.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
