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sector
Definitions
[ˈsɛktə], (Noun)
Definitions:
- an area or portion that is distinct from others
(e.g: operations in the southern sector of the North Sea)
- the plane figure enclosed by two radii of a circle or ellipse and the arc between them
- a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams
Phrases:
Origin
:
late 16th century (in sector, sector): from late Latin, a technical use of Latin sector ‘cutter’, from sect- ‘cut off’, from the verb secare
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definition by Oxford Dictionaries