sector

noun
sec·​tor | \ ˈsek-tər, -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 \
sectored; sectoring\ ˈsek-​t(ə-​)riŋ \

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 May, thousands of high-school students joined unionists and civil servants to protest Macron’s plan to cut 120,000 civil service jobs in addition to a reduction in benefits for France’s railway workers, who are unionized, public-sector employees. Jennifer Williams, Vox, "Embattled French President Macron announces concessions to quell weeks of violent protests," 11 Dec. 2018 Appleboum offered a grim assessment of the Chinese supply chain, which dominates the manufacturing sector of the technology industry. Sam Blum, Popular Mechanics, "New Report Claims More Evidence of Chinese Microchip Tampering," 9 Oct. 2018 The vote comes on the heels of the U.S. Supreme Court's decision that imposed a policy like right-to-work on public-sector unions nationally. Allison Kite, kansascity, "Could Missouri's right-to-work vote be a 'turnaround' for labor? Unions hope so.," 10 July 2018 Years in the works, the plan for the site appears to be close to reality at a time of major investment by the public and private sectors that is expected to bring thousands of new residents to the area. Ryan Ori, chicagotribune.com, "Almost 900 homes planned for former Harold Ickes site," 10 July 2018 Surveys of China’s manufacturing sector have pointed to falling export orders. The Economist, "As its trade tussle with America heats up, China is on the back foot," 5 July 2018 In recent years, higher oil prices and energy-sector investment had spurred demand for U.S. manufacturers. Eric Morath, WSJ, "U.S. Durable Goods Orders Grew in November," 21 Dec. 2018 Like so much of the tech sector, the video-game industry remains male dominated. Marie Claire, "She's Got Game," 5 Dec. 2018 But private-sector defense workers make up less than 0.5 percent of the total US labor force, and that includes every person whose job depends directly on the sale or production of airplanes, tanks, bombs, and services for the entire US military. Emily Stewart, Vox, "“It’s not going to create or take away a single job”: Why Trump’s excuse on the Saudis doesn’t hold up," 21 Oct. 2018

Recent Examples on the Web: Verb

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 Investors need to give the over-the-counter drugs sector a thorough health check. Stephen Wilmot, WSJ, "Drugstore Favorites May Be Catching the Common Consumer Cold," 16 Oct. 2017 The chances of this deal going through seem high, because as of right now, the allegations are sectored off onto a specific person, not Adidas as an entity. Hunter Cooke, ajc, "Contract between Kansas and Adidas could be in jeopardy following scandal," 28 Sep. 2017 And, regardless of which sectors the new jobs are in, the structural shifts in the economy haven’t prevented over-all wages from rising lately, as employers have been forced to compete for workers—a very welcome development. John Cassidy, The New Yorker, "Obama’s Economic Record: An Assessment," 9 Jan. 2017

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

11 Jan 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 \

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

Spanish Central: Translation of sector

Nglish: Translation of sector for Spanish Speakers

Britannica English: Translation of sector for Arabic Speakers

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