sector

noun
sec·​tor | \ ˈsek-tər How to pronounce sector (audio) , -ˌtȯr\

Definition of sector

 (Entry 1 of 2)

1a : a geometric figure bounded by two radii and the included arc of a circle
b(1) : a subdivision of a defensive military position
(2) : a portion of a military front or area of operation
c : an area or portion resembling a sector bilingual sector of town— David Kleinberg
d : a sociological, economic, or political subdivision of society cooperation between the public and private sectors— Peter Chapman
2 : a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales
3 : a subdivision of a track on a computer disk

sector

verb
sec·​tor | \ ˈsek-tər How to pronounce sector (audio) \
sectored; sectoring\ ˈsek-​t(ə-​)riŋ How to pronounce sectoring (audio) \

Definition of sector (Entry 2 of 2)

transitive verb

: to divide into or furnish with sectors

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Other Words from sector

Noun

sectoral \ ˈsek-​t(ə-​)rəl \ adjective

Examples of sector in a Sentence

Noun

He was assigned to the northern sector. Data is stored on the disk in 512-byte sectors.

Recent Examples on the Web: Noun

In most industrial sectors, 75% of greenhouse-gas emissions are produced from the supply chains. Ma Jun, Time, "How China Can Truly Lead the Fight Against Climate Change," 12 Sep. 2019 As the 1990s took shape, the national economy was becoming more sluggish while Denver’s economy was growing significantly in most sectors. Steve Blank, The Denver Post, "Cocktail chattables: The Denver housing market, strong and growing, is at no risk of being in a bubble that could burst," 12 Sep. 2019 This is despite a slowdown in core sectors like automobiles, and an unemployment crisis prevailing in the country. Manavi Kapur, Quartz India, "Inspired by ISRO? Here’s how much money you can make in Indian space research," 10 Sep. 2019 Many big companies, particularly those in the retail and manufacturing sectors, have downgraded sales and profit forecasts as a result of the tariffs. New York Times, "Trump Says China Will Suffer as Data Shows Trade War Hurting U.S.," 3 Sep. 2019 The current framing arguably does allow for calls of allyship across two distinct groups—the white working-class in industrial sectors and the rest of the working class. Carmen Rojas, Quartz at Work, "The problem with making “white” synonymous with “America’s working class”," 2 Sep. 2019 The technology produced as a result of that investment could have far-reaching consequences, accelerating the pace of automation and destabilizing the labor market in many sectors in ways that are difficult to anticipate ex ante. Benjamin Studebaker, The New Republic, "The Real Stakes of Trump’s Trade War With China," 27 Aug. 2019 Since his retirement from the Navy, Fargo has led companies in the transportation and technology sectors. Patrick Danner, ExpressNews.com, "Retired Navy admiral takes over as USAA’s chairman," 26 Aug. 2019 Investors are yet to catch up with BEV in investing in those sectors. Akshat Rathi, Quartz, "Bill Gates-led $1 billion fund expands its portfolio of startups fighting climate change," 26 Aug. 2019

Recent Examples on the Web: Verb

Jobs in Houston's professional and business services sector increased 4.9 percent year-over-year, while the nation saw an increase of 2.2 percent. Erin Douglas, Houston Chronicle, "Texas cities gained most jobs in nation in July," 27 Aug. 2019 Banks were among the biggest decliners in the U.S., pulling the S&P 500’s financials sector down 3.4%. Michael Wursthorn, WSJ, "Stocks Tumble on Italy’s Political Instability," 29 May 2018 Construction lost 4,400 jobs, and the trade, transportation and utilities sector lost 1,900 jobs. Andrew Khouri, latimes.com, "California loses jobs in March, though unemployment stays at a record low," 20 Apr. 2018 Over the last five years, total shareholder return at Convergys has lagged the business services sector 7.9 percent to 15.7 percent, according to Morningstar. Alexander Coolidge, Cincinnati.com, "Convergys head, region's only female CEO of public company departing," 26 Jan. 2018 In September, quad witching coincided with major changes to several popular ETFs pegged to sector indexes. Asjylyn Loder, WSJ, "Traders Prep for ‘Quad Witching’ Amid Market Gains," 21 June 2019 Banks were among the biggest decliners in the U.S., pulling the S&P 500’s financials sector down 3.4%. Michael Wursthorn, WSJ, "Stocks Tumble on Italy’s Political Instability," 29 May 2018 Construction lost 4,400 jobs, and the trade, transportation and utilities sector lost 1,900 jobs. Andrew Khouri, latimes.com, "California loses jobs in March, though unemployment stays at a record low," 20 Apr. 2018 Over the last five years, total shareholder return at Convergys has lagged the business services sector 7.9 percent to 15.7 percent, according to Morningstar. Alexander Coolidge, Cincinnati.com, "Convergys head, region's only female CEO of public company departing," 26 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sector

Noun

1570, in the meaning defined at sense 1a

Verb

1884, in the meaning defined above

History and Etymology for sector

Noun

Late Latin, from Latin, cutter, from secare to cut — more at saw

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Statistics for sector

Last Updated

4 Oct 2019

Look-up Popularity

Time Traveler for sector

The first known use of sector was in 1570

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More Definitions for sector

sector

noun

English Language Learners Definition of sector

: an area of an economy : a part of an economy that includes certain kinds of jobs
: an area for which someone (such as a military commander) is responsible
computers : one of the parts that a computer disk is divided into

sector

noun
sec·​tor | \ ˈsek-tər How to pronounce sector (audio) \

Kids Definition of sector

: a part of an area or of a sphere of activity the industrial sector of the economy

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More from Merriam-Webster on sector

Rhyming Dictionary: Words that rhyme with sector

Thesaurus: All synonyms and antonyms for sector

Spanish Central: Translation of sector

Nglish: Translation of sector for Spanish Speakers

Britannica English: Translation of sector for Arabic Speakers

Comments on sector

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