copper
gb/kˈɑpɚ/ us/kˈɑpɚ/
A2
영어
~ 4700
의미
의미 0개
명사
A2
entity
1
A reddish-brown metal element
A reddish-brown metal used to make wires, pipes, and coins.
사용 패턴：
[something] made of copper
자주 하는 실수：
Learners sometimes confuse 'copper' with 'bronze', but bronze is an alloy containing copper and other metals.
유의어
bronze (An alloy mainly of copper and tin, not pure copper.)
|
metal (A general term; less specific than copper.)
반의어
plastic (A non-metal material often used instead of copper in some applications.)
연어
copper wire
|copper pipe
|pure copper
|copper mine
|copper alloy
주제
science
|materials
|technology
|core_vocabulary
예문
- The electrician replaced the old cables with copper wire.
- Copper conducts electricity better than most metals.
- They mined copper from the hills for centuries.
- The statue was made entirely of copper.
- Copper prices have risen on the global market.
학습자용 예문
- The pot is made of copper.
- Copper is used in wires.
- This pipe is copper.
- They found copper in the ground.
- Copper is a kind of metal.
명사
informal
B1
entity
2
Informal term for a police officer
An informal word for a police officer.
사용 패턴：
[someone] is a copper
자주 하는 실수：
Learners may think 'copper' always means the metal; in slang it can mean 'police officer'.
유의어
cop (Very common informal term, especially in American English.)
반의어
criminal (Opposite role to a police officer.)
연어
local copper
|undercover copper
|old copper
주제
law
|informal
|core_vocabulary
예문
- The copper caught the thief red-handed.
- He used to be a copper before becoming a detective.
- A couple of coppers were standing on the corner.
- That copper knows everyone in the neighborhood.
학습자용 예문
- The copper stopped the car.
- A copper is talking to the man.
- The copper is wearing a uniform.
- I saw a copper in the street.
명사
technical
B2
entity
3
Low-value coin made from copper
A small coin made from copper or a similar metal.
자주 하는 실수：
Learners may confuse this with the metal itself; here it means coins made from it.
유의어
penny (In UK and US currency, a small denomination coin, sometimes made of copper.)
연어
old copper
|small copper
|Victorian copper
주제
money
|history
|finance
|core_vocabulary
예문
- He paid the boy a few coppers for his help.
- The street musician collected coppers in his hat.
- In those days, a loaf of bread cost only a copper.
학습자용 예문
- He gave me a copper.
- The man has many coppers.
- She put some coppers on the table.
문법
기본형
copper
IPA
GB/kˈɑpɚ/
US/kˈɑpɚ/
음절 및 강세
cop - per （2음절）
Stress on 1st syllable (cop)
활용형
Noun
- Base: copper
- Plural: copper, coppers
관련 단어
Forms
coppers
noun
Related words
coppery
adjective
표현
copper-bottomed guarantee
1/kˈɑpɚ bˈɑtəmd ɡˌɛɹəntˈi/
fixed phrase
A completely reliable guarantee
A promise or agreement that is certain and cannot fail.
예문
- The contract came with a copper-bottomed guarantee of delivery within 30 days.
- Investors are looking for a copper-bottomed guarantee before committing their money.
copper-bottomed plan
1/kˈɑpɚ bˈɑtəmd plˈæn/
fixed phrase
A completely reliable plan
A plan that is sure to work and has no risk of failure.
예문
- We need a copper-bottomed plan if we want to impress the investors.
- Her proposal was a copper-bottomed plan for success.