copper
/ˈkɔp.ə//ˈkɒp.ə//ˈkɑ.pɚ/
noun
- 1
A reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
- 2
The reddish-brown colour/color of copper.
- 3
Any of various specialized items that are made of copper, where the use of copper is either traditional or vital to the function of the item.
- 4
Any of various lycaenid butterflies with copper-coloured upperwings, especially those of the genera Lycaena and Paralucia.
verb
- 1
To sheathe or coat with copper.
adjective
- 1
Made of copper.
- 2
Having the reddish-brown colour/color of copper.
noun
- 1
(law enforcement) A police officer.
Synonyms
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