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Sector   Listen
noun
Sector  n.  
1.
(Geom.) A part of a circle comprehended between two radii and the included arc.
2.
A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.
3.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
Dip sector, an instrument used for measuring the dip of the horizon.
Sector of a sphere, or Spherical sector, the solid generated by the revolution of the sector of a circle about one of its radii, or, more rarely, about any straight line drawn in the plane of the sector through its vertex.





Collaborative International Dictionary of English 0.48


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"Sector" Quotes from Famous Books



... a good deal of scrapping around Ypres lately—that given away by the communiques; but for reasons which both the Censor and yourself will appreciate, I can't be more explicit as to locality. Enough to say that somewhere in this region—or sector, as we call it nowadays—there was a certain bit of ground that had been taken and retaken over and over again. B.'s Regiment was in this fighting, and at one particular time we were holding a German front trench section. A short distance further on the enemy ...
— The Red Planet • William J. Locke
... Thatchy, but they had called him so because his thick shock of light hair, which persisted in falling down over his forehead and ears, had not a little the appearance of the thatched roofs on the French peasant's cottages. He, with a loquacious young companion, had blown into the Toul sector from no one seemed to know exactly where, more than that he had originally been a ship's boy, had been in a German prison camp, and had escaped through Alsace and reached the American forces ...
— Tom Slade Motorcycle Dispatch Bearer • Percy Keese Fitzhugh
... all things observant and imitative," said one who counted quite a few Boches dead on the front of his sector. "When you present him with a new idea, he thinks it over for a day or two. Then he presents ...
— France At War - On the Frontier of Civilization • Rudyard Kipling
... Guerre for the families of the men I lost on my last trip," he explained, and he added: "It's a good thing you're here to go along with us for protection. There are lots of Boches in this sector." ...
— Flying for France • James R. McConnell
... "you bombard the left-hand sector, toward the fire and the sea. Rrisa, take the right-hand one. The middle is for ...
— The Flying Legion • George Allan England
... helping us to check. This whole area's too big. And you know that it is certain that whatever might be down there would be hidden with sea growths. Suppose ten of us start out in a semi-circle from about here and go as far as this point, heading inland. Video-cameras here and here ... comb the whole sector inch by inch if we have to. After all, we have plenty ...
— Key Out of Time • Andre Alice Norton
... we aren't very well off for dug-outs; it isn't really what you'd call a representative sector from any point of view. But during a blizzard the other night a messenger who had mislaid himself took us for a serious trench. He made his way along, looking to right and left for some seat of authority until he came to a hole in the parados, two feet by one, where some fortunate ...
— Punch, or the London Charivari, Vol. 150, March 15, 1916 • Various
... not occur to him that the Huks would hardly have been called a "case" by anybody but a cop. When human colonies spread through this sector, they encountered an alien civilization. By old-time standards, it was quite a culture. The Huks had a good technology, they had spaceships, and they were just beginning to expand, themselves, from their own home planet or planets. If they'd had a few more centuries ...
— A Matter of Importance • William Fitzgerald Jenkins
... specimens 1 inch thick, 4 inches wide, and 1 inch long will be obtained from near the periphery of each "d" bolt. These will be cut from the sector-shaped sections left after securing the material for the mechanical tests or from disks cut from near the end of the bolt. They will be taken from adjoining pieces chosen so that the results will be ...
— The Mechanical Properties of Wood • Samuel J. Record
... the knowledge and dissemination of the culture and history of the European peoples; - conservation and safeguarding of cultural heritage of European significance; - non-commercial cultural exchanges; - artistic and literary creation, including in the audiovisual sector. 3. The Community and the Member States shall foster co-operation with third countries and the competent international organizations in the sphere of culture, in particular the Council of Europe. 4. The Community shall take cultural aspects into account ...
— The Treaty of the European Union, Maastricht Treaty, 7th February, 1992 • European Union


Words linked to "Sector" :   two-dimensional figure, piece of land, armed forces, arc, military, war machine, sphere, economy, department, business sector, economic system, sectorial, measuring system, measuring instrument, business, field, measuring device, facet, block, tract, social group, battleground, parcel of land, field of battle, parcel, black economy, piece of ground, battlefield, aspect, plane figure, computer memory unit, armed services, military machine, field of honor, allocation unit, society


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