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English definition of “sector”

sector

noun [C]    /ˈsek·tər/
a part of society that can be separated from other parts because of its own special character : the farm sector the nonprofit sector She works in the private / public sector (= for a business / government ) A sector is also an area of land or sea that has been divided from other areas : The buildings are in an industrial sector in the southern part of the city .
(Definition of sector noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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