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Dictionary definition for: Sector
1. (n) a plane figure bounded by two radii and the included arc of a circle
2. (n) a body of people who form part of society or economy; "the public sector"
3. (n) a particular aspect of life or activity; "he was helpless in an important sector of his life"
4. (n) the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
5. (n) a portion of a military position
6. (n) measuring instrument consisting of two graduated arms hinged at one end
WordNet 2.1 Copyright Princeton University. All rights reserved.