copper

1. 1.

   a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

   SynonymsCuatomic number 29

   Broadermetallic elementconductor

   Narrowerblister copper
2. 2.

   a copper penny

   Broaderpenny
3. 3.

   uncomplimentary terms for a policeman

   Synonymsbullcopfuzzpig

   Broaderpoliceman

   colloquialism

4. 4.

   a reddish-brown color resembling the color of polished copper

   Synonymscopper color

   Broaderreddish brown
5. 5.

   any of various small butterflies of the family Lycaenidae having coppery wings

   Broaderlycaenid

   NarrowerAmerican copper

   Part ofLycaena

1. 1.

   coat with a layer of copper

   Broadercoat

Other forms of copper

plural

coppers·

past tense

copperred·

present participle

copperring·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about copper

What does copper mean?

copper means "a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor". That is the primary sense; the word has 6 in total, listed in full on this page.

How many syllables are in copper?

copper has 2 syllables: cop-per. The stress falls on "cop". In IPA it is /ˈkɑpɚ/.

What is another word for copper?

Close synonyms include Cu, atomic number 29, bull, cop, fuzz. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is copper a common word?

copper is banded "Common" — everyday vocabulary in speech and writing. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.