plural coppers
1
: a metallic chemical element with atomic number 29 that is easily formed into sheets and wires and is one of the best known conductors of heat and electricity
—often used before another noun
copper wire
a copper mug
copper mines
see Chemical Elements Table
2
: a coin or token made of copper or bronze
3
chiefly British
: a large boiler (as for cooking)
4
: any of a subfamily (Lycaeninae of the family Lycaenidae) of small butterflies with usually copper-colored wings
Examples of copper in a Sentence
Noun (2)
a crime novel set in the days when policemen were coppers and safecrackers were "yeggs"
Recent Examples on the Web
Mike Danahey, Chicago Tribune, 27 Mar. 2025
One teaspoon of ground turmeric contains less than 10 calories and provides nutrients like vitamin C, copper, manganese, calcium, and magnesium.2
2.
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 26 Mar. 2025
Since January, copper futures traded in New York have begun to outpace copper futures traded in London, breaking away from their trend of tracking each other.
—John Towfighi, CNN Money, 26 Mar. 2025
Congo is the world's leading producer of cobalt and one of the largest producers of copper.
—Daniel R. Depetris, Newsweek, 25 Mar. 2025
See All Example Sentences for copper
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
Coins from the United States, Canada and other nations will be featured in addition to supplies, tokens, banknotes, ancient, gold, silver and copper coins and other items available to be bought and sold, according to the club’s website.
—Mike Danahey, Chicago Tribune, 27 Mar. 2025
One teaspoon of ground turmeric contains less than 10 calories and provides nutrients like vitamin C, copper, manganese, calcium, and magnesium.2
2.
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 26 Mar. 2025
Since January, copper futures traded in New York have begun to outpace copper futures traded in London, breaking away from their trend of tracking each other.
—John Towfighi, CNN Money, 26 Mar. 2025
Congo is the world's leading producer of cobalt and one of the largest producers of copper.
—Daniel R. Depetris, Newsweek, 25 Mar. 2025
See All Example Sentences for copper
Cite this Entry
“Copper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/copper. Accessed 30 Mar. 2025.
Copy CitationKids Definition
copper
1 of 2 noun
cop·per
ˈkäp-ər 
1
: a reddish metallic element that is one of the best conductors of heat and electricity see element
2
: a copper or bronze coin
3
chiefly British
: a large copper kettle or boiler
4
: any of various small butterflies with usually copper-colored wings
coppery
adjective
ˈkäp-(ə-)rē
copper
2 of 2 nounMedical Definition
copper
noun
cop·per
ˈkäp-ər
: a metallic chemical element with atomic number 29 that is ductile and malleable and one of the best conductors of heat and electricity
—symbol Cu
see Chemical Elements Table
Love words? Need even more definitions?
Merriam-Webster unabridged
Share