sector
gb/sˈɛktɚ/ us/sˈɛktɚ/
B1
英語
~ 1000
語義
0件の語義
名詞
B1
entity
1
part of economy or society
A part of a country's economy, industry, or society.
用法パターン：
the [sector] of the economy
よくある間違い：
Learners sometimes confuse 'sector' with 'section'. 'Sector' usually refers to a part of an economy or large system, not just any general part or division.
類義語
industry (Refers more specifically to a type of business activity, but often overlaps with 'sector' in economic contexts.)
対義語
whole economy (Refers to the entire economic system rather than one part of it.)
コロケーション
public sector
|private sector
|manufacturing sector
|service sector
|financial sector
テーマ
business
|economy
|society
|finance
例文
- The technology sector has grown rapidly in recent years.
- Job losses have hit the manufacturing sector hardest.
- The government is investing heavily in the health sector.
- Tourism is an important sector of the local economy.
- The private sector often moves faster than the public sector.
学習者向け例文
- The health sector needs more workers.
- I want to work in the education sector.
- The food sector is growing fast.
- The private sector is different from the public sector.
名詞
technical
B2
entity
2
designated area or region
A specific part of a place, often for a special use.
用法パターン：
[a place] [sector]
よくある間違い：
Learners may confuse 'sector' with 'section' when talking about places. 'Sector' is more formal and used for official areas.
類義語
zone (Very similar in meaning, but 'zone' is more general and used outside technical contexts.)
対義語
whole area (Refers to the entire area rather than one part.)
コロケーション
combat sector
|urban sector
|north sector
|security sector
テーマ
geography
|military
|space
|politics
例文
- Troops were deployed to the northern sector of the city.
- Each sector of the stadium has its own entrance.
- The disaster response team was assigned to the coastal sector.
- Fighting broke out in several sectors along the border.
学習者向け例文
- We live in the west sector of the city.
- This sector is closed to visitors.
- The army controls this sector.
名詞
technical
B2
entity
3
part of a circle shape
A part of a circle made by two lines from the center and the curve between them.
よくある間違い：
Learners may confuse 'sector' with 'segment' when describing parts of circles; their geometric definitions are different.
類義語
segment ('Segment' is different in geometry — it is bounded by a chord and an arc, not two radii.)
コロケーション
circular sector
テーマ
mathematics
|education
|science
例文
- The chart was divided into six equal sectors.
- Shade the 90-degree sector in the diagram.
- We calculated the area of the shaded sector.
学習者向け例文
- Draw a 60-degree sector.
- This pie chart has four sectors.
- The shaded part is a sector.
名詞
technical
B2
entity
4
unit on storage disk
A small part of a computer disk where data is stored.
類義語
block ('Block' is used in computing but can refer to different data structures beyond physical storage sectors.)
コロケーション
disk sector
|bad sector
テーマ
technology
|computing
例文
- The file spans several sectors on the hard drive.
- A bad sector can cause data loss.
- The program scans each sector for errors.
学習者向け例文
- The disk has bad sectors.
- Data is saved in sectors on the disk.
- The computer checks each sector.
文法
辞書形
sector
IPA
GB/sˈɛktɚ/
US/sˈɛktɚ/
音節・強勢
sec - tor （2音節）
Stress on 1st syllable (sec)
活用形
Noun
- Base: sector
- Plural: sectors
関連語
Forms
sectors
noun
Related words
sectoral
adjective
subsector
noun
Advanced or less common
multisectoral
adjective
intersectoral
adjective
表現
manufacturing sector
1/mˌænjəfˈækt͡ʃɚɪŋ sˈɛktɚ/
fixed phrase
goods-producing economic area
The part of the economy that makes products in factories.
例文
- The manufacturing sector has suffered due to high energy costs.
- Investment in new technology could boost the manufacturing sector.
private sector
1/pɹˈaɪvɪt sˈɛktɚ/
fixed phrase
business-run part of economy
The part of the economy run by private companies, not the government.
例文
- The private sector often adapts quickly to market changes.
- Many jobs have moved from the public to the private sector.
public sector
1/pˈʌblɪk sˈɛktɚ/
fixed phrase
government-run part of economy
The part of the economy run by the government, such as schools and hospitals.
例文
- Many people work in the public sector.
- Public sector wages have been frozen for two years.
service sector
1/sˈɚvɪs sˈɛktɚ/
fixed phrase
services-based economic area
The part of the economy that provides services like banking, education, and tourism instead of goods.
例文
- The service sector employs more people than manufacturing in most countries.
- Growth in the service sector has been strong this year.