The AI-powered English dictionary
countable and uncountable, plural ores
Rock or other material that contains valuable or utilitarian materials; primarily a rock containing metals or gems for which it is typically mined and processed. quotations examples
Manganism has been known about since the 19th century, when miners exposed to ores containing manganese, a silvery metal, began to totter, slur their speech and behave like someone inebriated.
2014 April 21, “Subtle effects”, in The Economist, volume 411, number 8884