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
Synonyms
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
Audrey Noble, Vogue, 20 Nov. 2024
Wind turbines and solar panels also require substantial amounts of copper for their components and connections.
—Ed MacHa, Forbes, 20 Nov. 2024
Zoom in: In this hypothetical case, recycling cuts new mine development needs by 40% for copper (see above) and cobalt.
—Ben Geman, Axios, 19 Nov. 2024
Last summer, De León credited the task force with making 82 arrests and recovering 2,000 pounds of copper.
—David Zahniser, Los Angeles Times, 1 Nov. 2024
See all Example Sentences for copper 
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Noun
Strawberry Copper Copper is a staple no matter the season, and this winter Schwartz says to keep an eye out for strawberry copper.
—Audrey Noble, Vogue, 20 Nov. 2024
Wind turbines and solar panels also require substantial amounts of copper for their components and connections.
—Ed MacHa, Forbes, 20 Nov. 2024
Zoom in: In this hypothetical case, recycling cuts new mine development needs by 40% for copper (see above) and cobalt.
—Ben Geman, Axios, 19 Nov. 2024
Last summer, De León credited the task force with making 82 arrests and recovering 2,000 pounds of copper.
—David Zahniser, Los Angeles Times, 1 Nov. 2024
See all Example Sentences for copper
Dictionary Entries Near copper
Cite this Entry
“Copper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/copper. Accessed 28 Nov. 2024.
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
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