American Dictionary

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Definition sector in American English

sector noun

[countable] noun
/ˈsektər/
1

a part of a country's economic or business activity

Example

They tend to work as managers, especially in the small business sector.

Example

A number of key sectors of the economy are in trouble.

Example

The country's industrial sector continues to grow.

Example

Salaries are not competitive with the private sector.

Synonyms and related words
1.1

a group that is part of a larger group

Example

Some sectors of the community are opposed to the development plan.

Synonyms and related words
2

a part of an area, especially an area that is controlled by the military

Example

a U.N.-patrolled sector of Bosnia

Synonyms and related words
3

a part of a circle that is formed by drawing two straight lines from the center to the outer edge

Synonyms and related words
Definition sector in American English