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View synonyms for

sector

[ sek-ter ]

noun

  1. Geometry. a plane figure bounded by two radii and the included arc of a circle.
  2. a distinct part, especially of society or of a nation's economy:

    the housing sector; the educational sector.

  3. a section or zone, as of a city.
  4. Military. a designated defense area, usually in a combat zone, within which a particular military unit operates and for which it is responsible.
  5. a mathematical instrument consisting of two flat rulers hinged together at one end and bearing various scales.
  6. Machinery. a device used in connection with an index plate, consisting of two arms rotating about the center of the plate and set to indicate the angle through which the work is indexed.
  7. Astronomy. an instrument shaped like a sector of a circle, having a variable central angle and sights along the two straight sides, for measuring the angular distance between two celestial bodies.
  8. Computers. a portion of a larger block of storage, as 1/128 of a track or disk.


verb (used with object)

  1. to divide into sectors.

sector

/ ˈɛə /

noun

  1. a part or subdivision, esp of a society or an economy

    the private sector

  2. geometry either portion of a circle included between two radii and an arc. Area: 1 2 r ²θ, where r is the radius and θ is the central angle subtended by the arc (in radians)
  3. a measuring instrument consisting of two graduated arms hinged at one end
  4. a part or subdivision of an area of military operations
  5. computing the smallest addressable portion of the track on a magnetic tape, disk, or drum store
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sector

  1. The part of a circle bounded by two radii and the arc between them.
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Derived Forms

  • ˈ𳦳ٴǰ, adjective
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Other Word Forms

  • tǰ· adjective
  • ܲstǰ noun
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Word History and Origins

Origin of sector1

First recorded in 1560–70; from Late Latin, from Latin: “cutter,” from () “to cut, divide” + -tor -tor
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Word History and Origins

Origin of sector1

C16: from Late Latin: sector, from Latin: a cutter, from to cut
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Example Sentences

Examples have not been reviewed.

The text of the agreement says both sides now expect significant investments facilitated by the US government and private sector.

From

Yet other sectors in South America are also hoping that Trump's actions mean they could win more global sales as countries decide to buy less from the US.

From

Marcus Magee, chair of Liverpool's Accommodation BID, said the ballot was a "major step" in enabling the city's hospitality sector to have a say and an influence on decisions about the visitor economy.

From

Her biography posted on the city’s website says she “brings a strong community foundation and over 15 years of public and private sector experience to the Council.”

From

Thursday's order is the latest issued by the US president to try to increase America's access to minerals used by the aerospace, green technology and healthcare sectors.

From

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section marksectorial