鉄てっ鉱こう石せき

noun

iron ore

Refers to the raw mineral from which iron can be extracted. Used in mining, metallurgy, and industrial contexts.

• オーストラリアは鉄てっ鉱こう石せきの主しゅ要ような輸ゆ出しゅつ国こくです。

  Australia is a major exporter of iron ore.