What does ore mean?
Ore is rock or mineral material containing a valuable substance that can be recovered through mining and processing. The substance is most often a metal, such as iron, copper, gold, or aluminum, although ore may also contain economically important minerals such as diamond, lithium, or sulfur. In ordinary contexts, “ore” refers both to the material itself and to underground deposits from which it is extracted. The distinction between ore and ordinary rock is economic: a rock becomes valuable as ore because it contains enough of a recoverable substance to justify extraction. Mining operations locate and remove ore-bearing deposits, after which processing separates the useful material from waste. The word is therefore central to geology, mining, metallurgy, and discussions of mineral resources and industrial production.
nounA naturally occurring mineral or rock containing a valuable substance, especially a metal, that can be extracted or refined. Ore may also contain valuable nonmetallic materials such as diamonds, lithium, or sulfur.
- A mineral or rock from which a valuable substance, especially a metal, can be extracted.
- A deposit of such mineral-bearing material, especially when considered as a source of metal.
"The mine extracts iron ore from deposits beneath the surrounding hills."
"The ore was carried from the mine to the processing plant."
"Geologists identified several layers of copper ore in the canyon walls."
Plural ores is used when referring to different types of ore or separate deposits or quantities of mineral material.
"The region is known for its rich iron and copper ores."
Many metals begin as ore: a hidden concentration of useful minerals in ordinary-looking rock, transformed by mining and refining into materials used in modern life.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does ore come from?
The English word ore comes from Old English ōra, meaning a mineral or metal-bearing material. It is generally traced to a Germanic origin related to words in other Germanic languages, though the precise historical development of its sense is not entirely transparent. The modern sense continued to mean naturally occurring mineral material from which metals or other valuable substances are obtained.
How ore is actually used
The word is primarily used in mining, geology, metallurgy, and industrial contexts. It is not normally used for an unrefined substance that is not valuable or commercially useful.
Easily confused with ore
An ore is a mineral-bearing rock, while an oar is a long paddle used to propel or steer a boat.
Ore is a noun meaning mineral-bearing material; or is a conjunction used to introduce an alternative.