often attributive
1
: a naturally occurring mineral containing a valuable constituent (such as metal) for which it is mined and worked
2
: a source from which valuable matter is extracted
plural ore
a monetary subunit of the krona (Sweden) and krone see krona, krone at Money Table
plural øre
1
: a Danish monetary unit equal to ¹/₁₀₀ krone see krone at Money Table
also
: a coin representing one Danish øre
Note: Denmark's Faeroe Islands and Greenland also use an øre.
2
: a Norwegian monetary unit equal to ¹/₁₀₀ krone see krone at Money Table
also
: a coin representing one Norwegian øre
Examples of ore in a Sentence
Recent Examples on the Web
IEEE Spectrum, 9 Oct. 2025
Marie and Pierre Curie had spent years studying the natural radioactivity in tons of uranium ores.
—Andrea Richard, The Conversation, 2 Oct. 2025
The project reportedly took place at the COSCO Zhoushan shipyard in China’s Putuo District, on Grand Pioneer, a 325,000 deadweight-ton very large ore carrier (VLOC) operated by the Taiwanese company.
—Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
The microbes still need a small amount of sulfuric acid to kick-start the process of breaking down the ore.
—Vanessa Bates Ramirez, Scientific American, 1 Oct. 2025
See All Example Sentences for ore
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Noun
Skeptics note that bioleaching has historically struggled with tough ores like chalcopyrite.
—IEEE Spectrum, 9 Oct. 2025
Marie and Pierre Curie had spent years studying the natural radioactivity in tons of uranium ores.
—Andrea Richard, The Conversation, 2 Oct. 2025
The project reportedly took place at the COSCO Zhoushan shipyard in China’s Putuo District, on Grand Pioneer, a 325,000 deadweight-ton very large ore carrier (VLOC) operated by the Taiwanese company.
—Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
The microbes still need a small amount of sulfuric acid to kick-start the process of breaking down the ore.
—Vanessa Bates Ramirez, Scientific American, 1 Oct. 2025
See All Example Sentences for ore
Cite this Entry
“Ore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ore. Accessed 17 Oct. 2025.
Copy CitationKids Definition
ore
1 of 2 noun
ˈō(ə)r 
ˈȯ(ə)r
: a mineral mined to obtain a substance that it contains
iron ore
ore
2 of 2 nounˈər-ə
plural ore
: a unit of value equal to ¹⁄₁₀₀ krona or ¹⁄₁₀₀ krone
Etymology
Noun
Swedish öre and Danish and Norwegian øre
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