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sector |
Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia, Hutchinson | 0.04 sec. |
sectorThe smallest unit of storage read or written on a disk. See magnetic disk. sector 1. Geometry either portion of a circle included between two radii and an arc. Area: ½r2θ, where r is the radius and θ is the central angle subtended by the arc (in radians) 2. a measuring instrument consisting of two graduated arms hinged at one end 3. Computing the smallest addressable portion of the track on a magnetic tape, disk, or drum store sector [′sek·tər] (computer science) A portion of a track on a magnetic disk or a band on a magnetic drum. A unit of data stored in such a portion. (civil engineering) A clearly defined area or airspace designated for a particular purpose. (electromagnetism) Coverage of a radar as measured in azimuth. (mathematics) A portion of a circle bounded by two radii and an arc joining their end points. (meteorology) Something resembling the sector of a circle, as a warm sector between the warm and cold fronts of a cyclone. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| By this time the Germans were aware that something was amiss--that an uncanny sniper had discovered a point of vantage from which this sector of the trenches was plainly visible to him. |
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