Definition of sector in English:



  • 1An area or portion that is distinct from others.

    ‘operations in the southern sector of the North Sea’
    • ‘Services were proposed to be delivered to citizens in rural areas in the following sectors on a priority basis.’
    • ‘The belt of southern sectors from Sectors 31 to 49 and Sectors 20, 21, 22 and 23 were affected.’
    • ‘The costs of organizing at the European level may be especially onerous for the voluntary non-profit sector.’
    • ‘The negatives are related to the US, where rival luxury goods firms have been cutting prices - which is not the done thing in this portion of the sector.’
    • ‘As Dr Eulenspiegel has rightly stated, these contributions encompassed a multiplicity of areas and sectors.’
    • ‘The southern sector of the Roundway Hospital site was redeveloped about five years ago and is now called Drews Park.’
    • ‘There is an ambivalence in a peace settlement that large sectors of both populations oppose.’
    • ‘This silent divide will almost certainly lead to widening divisions in the sector based on individual and institutional privilege.’
    • ‘In many African cities, expatriates form a large part of the patronage sector of the local intelligentsia.’
    • ‘This led to flooding of a large number of sectors in northern as well as southern sectors of Chandigarh.’
    • ‘Illegal rooms have been constructed by city residents on open terraces of the existing block of flats in the entire belt of the southern sectors.’
    • ‘And certainly the GOP's ignoring of certain sectors of the population doesn't help.’
    • ‘If we are to deliver sustainable growth for the bottom mussel sector will need the sector itself to be part of the decision making process.’
    • ‘Combined they account for a huge portion of the beef sector which overall makes up about 90% of meat output in the Irish market.’
    • ‘We need to continue to support the development of childcare places in community, private and workplace sectors based on local identified need.’
    • ‘In one of the southern sectors, one can admire the beautiful pink coloured landscape of cassias.’
    • ‘What has happened is we've had this expedited return program in about four of the sectors along our southern border.’
    • ‘Females that approached from the front and back sectors should have seen hoods and males at greater angular separations.’
    • ‘Some lawmakers questioned if those invited to take part in the two previous talks truly represented different sectors of society.’
    • ‘He said that the Bobby Van targeted a vulnerable sector of society.’
    district, quarter, part, section, zone, precinct, borough, locality, neighbourhood, side
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    1. 1.1 A distinct part or branch of a nation's economy or society or of a sphere of activity such as education.
      ‘the government aimed to reassure the industrial and commercial sector’
      • ‘How much private sector involvement is there in trying to deal with computer-related crimes?’
      • ‘So far this year, the retail sector has accounted for 14 percent of all job growth.’
      • ‘The food industry is also an important sector contributing 15 per cent of total industrial output.’
      • ‘The debacle threatens to stymie the country's dynamic agricultural sector.’
      • ‘The manufacturing sector of the economy is likely to continue its relative economic decline.’
      • ‘Today's announcement is the latest in a series of job blows for the Bradford manufacturing sector over recent years.’
      • ‘As a result, the private education services sector is growing at around 30 percent per annum.’
      • ‘He said the Hub development could have missed the economic boom that boosted the technology sector in recent years.’
      • ‘What institutions operated in the informal banking sector and how did they operate?’
      • ‘The country's agricultural sector only contributes 15 percent to GDP.’
      • ‘The retail and agriculture sectors accounted for the highest concentration at 39 per cent and 33 per cent respectively.’
      • ‘And the vastness of this market is not lost on the world's solar energy technology sector.’
      • ‘They also protested against government plans to privatise the public health sector.’
      • ‘Not that the financial services sector had been slow in its technology uptake.’
      • ‘What initiatives has the Government implemented to build capacity in the Maori tourism business sector?’
      • ‘China's traditional handicraft sector grew slowly but steadily until the silver crisis of the early 1930s.’
      • ‘Until recently, the seemingly unstoppable tech sector accounted for about 30 % of the country's economic growth.’
      • ‘My other amendment raises the issue of whether we really value our export education sector.’
      • ‘Women at the top in the retail sector of the motor industry are a rarity.’
      • ‘However, all these countries face substantial costs in reforming their banking sectors.’
      • ‘Computer maker Dell has boosted the tech sector by raising its third-quarter revenue guidance to $9.1 billion.’
      part, branch, arm, division, subdivision, area, department, category, field, sphere, layer, stratum, corner
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    2. 1.2Military A subdivision of an area for military operations.
      • ‘This flight concentrated on the role usually played by the helicopter over the southern sector in response to naval tasking.’
      • ‘However, Cork faced one major obstacle - the German troops freed up in the southern sectors of Norway, could now help the German troops around Narvik.’
      • ‘The UN has split southern Sudan into six sectors, which will be controlled by different troop contributing countries.’
      • ‘Smith described the fighting in the southern sector as heavy with ‘lots of casualties’ among al-Qaida forces.’
      • ‘He found himself in Jallas area of Poonch sector inside the Indian territory near the Line of Control.’
      • ‘The First Battalion of the Black Watch is based in the British sector of southern Iraq, near Basra.’
    3. 1.3Computing A subdivision of a track on a magnetic disk.
      • ‘The search is complete: the hard disk knows what sector, on what track, on what platter the data resides.’
      • ‘The last twelve sectors store 24,576 bytes of Media Key Block data called an MKB Pack.’
      • ‘With the appropriate tools, you can create diskettes that have 80 sectors and 24 tracks per sector, giving 1,920KB per floppy.’
      • ‘The boot sector is the portion of the hard disk that points the way to the operating system when a machine is powered up.’
      • ‘In other words, you do not have to worry about the cylinder, track or sector configuration of the disk drives.’
  • 2The plane figure enclosed by two radii of a circle or ellipse and the arc between them.

    • ‘For example, Figure 4a shows three such rings formed from the sectors and rectangle in Figure 3a.’
    • ‘We previously used a simple diagram showing a very small number of sectors.’
    • ‘Kepler, in his work on planetary motion, had to find the area of sectors of an ellipse.’
    • ‘The protein molecules are modeled as 120 deg sectors of a circle.’
    • ‘Each group was made up of units designated by letters, which were then assigned appropriate sectors on circles of different sizes.’
  • 3A mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams.

    • ‘He also learned on his own how to use a compass, sector, and other instruments to make astronomical predictions, including that of eclipses.’


Late 16th century (in sector (sense 2, sector sense 3)): from late Latin, a technical use of Latin sector ‘cutter’, from sect- ‘cut off’, from the verb secare.