sector
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1sec·tor

noun \ˈsek-tər, -ˌtr\

Definition of SECTOR

1
a : a geometric figure bounded by two radii and the included arc of a circle
b (1) : a subdivision of a defensive military position
(2) : a portion of a military front or area of operation
c : 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
: a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales
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

2sec·tor

transitive verb \-tər\
sec·toredsec·tor·ing \-t(ə-)riŋ\

Definition of SECTOR

: to divide into or furnish with sectors

First Known Use of SECTOR

1884

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