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sector noun 1 geom a portion of a circle bounded by two radii and an arc. 2 astron an object of similar shape, especially one for measuring angular distance. 3 a division or section of a nation's economic operations. Compare private sector, public sector. 4 a part of an area divided up for military purposes. 5 a mathematical measuring instrument consisting of two graduated rules hinged together at one end. sectoral adj.
ETYMOLOGY: 16c: Latin, from secare to cut.
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The Chambers Dictionary (13th edition)
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The Chambers Thesaurus
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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