cop·per 1 (k p  r)n. 1. Symbol Cu A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and corrosion-resistant parts, either pure or in alloys such as brass and bronze. Atomic number 29; atomic weight 63.54; melting point 1,083°C; boiling point 2,595°C; specific gravity 8.96; valence 1, 2. See Table at element. 2. A coin, usually of small denomination, made of copper or a copper alloy. 3. Chiefly British A large cooking pot made of copper or often of iron. 4. Any of various small butterflies of the subfamily Lycaeninae, having predominantly copper-colored wings. 5. A reddish brown. tr.v. cop·pered, cop·per·ing, cop·pers 1. To coat or finish with a layer of copper. 2. Slang To bet against, as in faro. [Middle English coper, from Old English, from Late Latin cuprum, from Latin Cyprium (aes), Cyprian (metal), from Cyprius, of Cyprus, from Greek Kuprios, from Kupros, Cyprus.] cop per·y adj. |
| cop·per 2 (kpr) n. Slang A police officer. [From cop.] |
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|