circuit
gb/sˈɚkɪt/ us/sˈɚkɪt/
B1
英語
~ 2600
語義
0件の語義
名詞
technical
B1
entity
1
Closed loop for electricity
A path that lets electricity move in a circle from one point back to the start.
用法パターン：
an electrical circuit
よくある間違い：
Learners sometimes confuse 'circuit' with 'circular', but 'circuit' in this sense refers to an electrical path, not a shape.
類義語
electrical loop (A less common term but directly describes the path of current.)
対義語
open circuit (A break in the path that stops the flow of electricity.)
コロケーション
electrical circuit
|circuit board
|short circuit
|circuit diagram
|circuit breaker
テーマ
science
|technology
例文
- The engineer tested the circuit for any faults.
- A short circuit can cause serious damage to electrical devices.
- They designed a new circuit for the smartphone's processor.
- The electrician drew a diagram of the circuit before starting work.
学習者向け例文
- The light will not work if the circuit is open.
- This simple circuit uses a battery and a bulb.
- I learned how to make a circuit in science class.
名詞
B1
entity
2
Route returning to start point
A path that goes around and comes back to where it started.
用法パターン：
to complete [a/the] circuit
よくある間違い：
Some learners mix this with 'circle', but 'circuit' refers to a route, not just a shape.
類義語
loop (More informal and commonly used for walking or driving routes.)
対義語
one-way route (A path that does not return to the starting point.)
コロケーション
race circuit
|tourist circuit
|walking circuit
テーマ
travel
|sports
|core_vocabulary
例文
- The runners completed three circuits of the track.
- We followed the tourist circuit around the city.
- The hiking trail forms a circuit through the forest.
学習者向け例文
- The bus makes a circuit of the town.
- We walked a circuit around the park.
- The race is on a five-kilometer circuit.
名詞
B2
entity
3
Series of events in rotation
A group of events or shows that happen in different places regularly.
用法パターン：
to be on [the] circuit
類義語
tour (Often used for performers or sports teams traveling between locations.)
対義語
single event (One-time occasion rather than part of a recurring series.)
コロケーション
tennis circuit
|lecture circuit
|nightclub circuit
テーマ
entertainment
|sports
|arts_entertainment
例文
- She has been on the professional tennis circuit for ten years.
- The band is popular on the local club circuit.
- He is well known on the lecture circuit.
学習者向け例文
- He plays on the golf circuit.
- They travel together on the music circuit.
- She speaks often on the conference circuit.
名詞
technical
B2
entity
4
Path for electronic signals
A path that electronic signals follow inside a computer or device.
類義語
chip circuitry (Refers specifically to small-scale integrated circuits on chips.)
コロケーション
integrated circuit
|logic circuit
テーマ
technology
|computing
|communication
例文
- The processor contains millions of tiny circuits.
- An integrated circuit can perform complex tasks quickly.
- They repaired the logic circuit in the control unit.
学習者向け例文
- My phone has many small circuits inside.
- The computer chip has an integrated circuit.
- Circuits help computers work fast.
文法
辞書形
circuit
IPA
GB/sˈɚkɪt/
US/sˈɚkɪt/
音節・強勢
cir - cuit （2音節）
Stress on 1st syllable (cir)
活用形
Noun
- Base: circuit
- Plural: circuit, circuits
関連語
表現
circuit breaker
1/sˈɚkɪt bɹˈeɪkɚ/
fixed phrase
technical
Device to stop electricity flow when overloaded
A safety device that stops electricity when there is too much current.
例文
- The circuit breaker tripped during the storm.
- You should replace the old circuit breaker in your house.
on the lecture circuit
1/ˈɔn ðə lˈɛkt͡ʃɚ sˈɚkɪt/
fixed phrase
Regularly giving talks in many places
To often give talks at different events or places as part of your work.
例文
- He is well known on the lecture circuit for his speeches about climate change.
- She spent years traveling on the lecture circuit.
short circuit
1/ʃˈɔɹt sˈɚkɪt/
fixed phrase
technical
Unintended electrical connection
An electrical problem where current takes a wrong path and can cause danger or damage.
例文
- The fire was caused by a short circuit in the wiring.
- A short circuit can happen if wires touch accidentally.