Толковый словарь английского языка Oxford English Reference - sector
Sector
sector
n. 1 a distinct part or branch of an enterprise, or of society, the economy, etc. 2 Mil. a subdivision of an area for military operations, controlled by one commander or headquarters. 3 the plane figure enclosed by two radii of a circle, ellipse, etc., and the arc between them. 4 a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc., for making diagrams etc. Derivatives sectoral adj. Etymology: LL, techn. use of L sector cutter (as SECTION)
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1.
I. noun see: saw Date: 1570 1. a geometric figure bounded by two radii and the included arc of a circle, b. a subdivision of a defensive military position, a portion of a military front or area of operation, an area or portion resembling a ~ , a sociological, economic, or political subdivision of society , a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales, a subdivision of a track on a computer disk, ~al adjective II. transitive verb (~ed; ~ing) Date: 1884 to divide into or furnish with ~s ...Толковый словарь английского языка
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