also: りんこう
noun
phosphate rock; phosphoric ore
Technical term for rock containing phosphate minerals, used as a raw material for fertilizer and industrial phosphorus.
リン鉱は肥料の原料として重要です。
Phosphate rock is important as a raw material for fertilizer.
リン酸 (phosphoric acid) is a chemical compound, while リン鉱 refers to the raw mineral ore.
Compound of リン (phosphorus, from English or German) and 鉱 (ore).