Definition of sector
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 Kleinbergd : 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
sectoral
\ˈsek-t(ə-)rəl\ adjectiveExplore Merriam-Webster
Examples of sector in a Sentence
He was assigned to the northern sector.
Data is stored on the disk in 512-byte sectors.
Origin and Etymology of sector
Late Latin, from Latin, cutter, from secare to cut — more at saw
First Known Use of sector
1884
SECTOR Defined for English Language Learners
sector
playDefinition of sector for English Language Learners
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: an area of an economy : a part of an economy that includes certain kinds of jobs
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: an area for which someone (such as a military commander) is responsible
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computers : one of the parts that a computer disk is divided into
SECTOR Defined for Kids
sector
playDefinition of sector for Students
: a part of an area or of a sphere of activity the industrial sector of the economy
Learn More about sector
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See words that rhyme with sector Spanish Central: Translation of sector Nglish: Translation of sector for Spanish speakers Britannica English: Translation of sector for Arabic speakers
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