Definition of "ore" []

• A mineral or an aggregate of minerals from which a valuable constituent, especially a metal, can be profitably mined or extracted. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This ore is the foundation material for our blast furnace operations at Sydney, Nova Scotia, and is also exported for use in the steel plants of the British Isles and of Germany."
• "The supply of this ore is apparently inexhaustible, but no veins have as yet been found."
• "The country lacks the technology to convert the titanium ore into metal and therefore the ore is used mostly in dyes and paints after processing."