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1

sector

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noun sec·tor \ˈsek-tər, -ˌtȯr\

Simple Definition of sector

  • : an area of an economy : a part of an economy that includes certain kinds of jobs

  • : an area for which someone (such as a military commander) is responsible

  • computers : one of the parts that a computer disk is divided into

Full Definition of sector

  1. 1a :  a geometric figure bounded by two radii and the included arc of a circleb (1) :  a subdivision of a defensive military position (2) :  a portion of a military front or area of operationc :  an area or portion resembling a sector <bilingual sector of town — David Kleinberg>d :  a sociological, economic, or political subdivision of society <cooperation between the public and private sectors — Peter Chapman>

  2. 2 :  a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales

  3. 3 :  a subdivision of a track on a computer disk

sec·tor·al \ˈsek-t(ə-)rəl\ adjective

Examples of sector

  1. He was assigned to the northern sector.

  2. Data is stored on the disk in 512-byte sectors.



Origin of sector

Late Latin, from Latin, cutter, from secare to cut — more at saw


First Known Use: 1570

Rhymes with sector


2

sector

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transitive verb sec·tor \-tər\

Definition of sector

sec·toredsec·tor·ing play \-t(ə-)riŋ\

  1. :  to divide into or furnish with sectors



1884

First Known Use of sector

1884



SECTOR Defined for Kids

sector

play
noun sec·tor \ˈsek-tər\

Definition of sector

  1. :  a part of an area or of a sphere of activity <the industrial sector of the economy>





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