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   sector

   /ˈsɛktə/

   noun

   • 1. an area or portion that is distinct from others: "operations in the southern sector of the North Sea" Similar districtquarterpartsectionzoneprecinctboroughlocalityneighbourhoodsideprovinceterritorydivisionregionareabelttractlocaleinformal:hood
   • ▪ a distinct part or branch of a nation's economy or society or of a sphere of activity such as education: "the government aimed to reassure the industrial and commercial sector" Similar partbrancharmdivisionsubdivisionareadepartmentcategoryfieldspherelayerstratumcorner
   • ▪ a subdivision of an area for military operations.
   • ▪ a subdivision of a track on a magnetic disk.
   • 2. the plane figure enclosed by two radii of a circle or ellipse and the arc between them.
   • 3. a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams.

   Word Origin late 16th century (in sector (sense 2, sense 3)): from late Latin, a technical use of Latin sector ‘cutter’, from sect- ‘cut off’, from the verb secare.

   Scrabble Points: 8

   • S

     1

   • E

     1

   • C

     3

   • T

     1

   • O

     1

   • R

     1

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