1 quadrant | Definition of quadrant

quadrant

noun
quad·​rant | \ ˈkwä-drÉ™nt How to pronounce quadrant (audio) \

Definition of quadrant

1a : an instrument for measuring altitudes consisting commonly of a graduated arc of 90 degrees with an index or vernier and usually having a plumb line or spirit level for fixing the vertical or horizontal direction
b : a device or mechanical part shaped like or suggestive of the quadrant of a circle
2a : an arc of 90 degrees that is one quarter of a circle
b : the area bounded by a quadrant and two radii
3a : any of the four parts into which a plane is divided by rectangular coordinate axes lying in that plane
b : any of the four quarters into which something is divided by two real or imaginary lines that intersect each other at right angles

Illustration of quadrant

Illustration of quadrant

quadrant 2

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Other Words from quadrant

quadrantal \ kwä-​ˈdran-​tᵊl How to pronounce quadrantal (audio) \ adjective

Did You Know?

This word is used for a traditional instrument, used to make calculations of altitude and traditionally employed by sailors to navigate, which has a piece shaped like a quarter of a circle. A quadrant shower is a shower that fits snugly into a bathroom corner and displays a curved front, making a quadrant shape on the floor. But perhaps quadrant is used most often today to name a particular quarter of a city.

Examples of quadrant in a Sentence

Draw two intersecting lines that divide the page into four quadrants. The town is located in the northwest quadrant of the state.

Recent Examples on the Web

Remove skin from steaks and separate quadrants of meat from bone by slipping spatula gently between them. Washington Post, "Foolproof way to perfectly cooked fish? Try your Dutch oven," 10 July 2019 Louisville went 15-0 in Quadrant 3 and 4 games, one of only 12 teams in the RPI's top 40 to finish unbeaten in those quadrants. Jeff Greer, The Courier-Journal, "How the NCAA Tournament selection committee likely discussed Louisville basketball," 10 Mar. 2018 Disney, long a conqueror of the four-quadrant movie space, has unleashed a particularly deafening roar across the movie business over the past few months. Isaac Feldberg, Fortune, "Has Disney Cornered the Family Film Market as Rivals Hit Summer Slumps?," 15 Aug. 2019 That flag is white, with horizontal and vertical black stripes dividing it into quadrants. Melissa Yeager, azcentral, "New Reno-Phoenix bus service leaves trail of discriminatory rules, chaotic planning," 3 July 2019 So does that make the Glen Park BART Station a token — an architectural oddity located in the southeast quadrant of San Francisco, where relatively few buildings have landmark status? John King, SFChronicle.com, "Glen Park BART Station could soon be an official national treasure," 27 July 2019 In a nod to the first American flag planted on the surface of the moon by astronauts Neil Armstrong and Buzz Aldrin upon landing at Tranquility Base, the installation features four 50-foot quadrants made of more than 4,000 hand-cut flags. Marcy De Luna, Houston Chronicle, "Out-of-this-world installation 'Skywaves' to debut at River Oaks District," 19 July 2019 Mutz adds that Littleton Village’s location is in a quadrant of the metro area where relatively few new apartments are available, despite the proximity to DTC, Lockheed Martin, Lucent Boulevard and other sites. Mark Samuelson, The Denver Post, "Despite lots of pressure to buy, many find a new apartment works well, with better quality and absolutely no maintenance," 18 July 2019 Zhongguancun has spread out from the electronics markets into a sweeping quadrant of northwestern Beijing that takes in its two leading universities, Peking and Tsinghua. The Economist, "China’s Silicon Valley is transforming China, but not yet the world," 11 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quadrant.' 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 quadrant

15th century, in the meaning defined at sense 1a

History and Etymology for quadrant

Middle English, from Latin quadrant-, quadrans fourth part; akin to Latin quattuor four — more at four

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More Definitions for quadrant

quadrant

noun

English Language Learners Definition of quadrant

: one part of something that is evenly divided into four parts especially, geometry : one part of a circle that is evenly divided into four parts

quadrant

noun
quad·​rant | \ ˈkwä-drÉ™nt\

Kids Definition of quadrant

1 : one-fourth of a circle
2 : any of the four parts into which something is divided by two imaginary or real lines that intersect each other at right angles

quadrant

noun
quad·​rant | \ ˈkwäd-rÉ™nt How to pronounce quadrant (audio) \

Medical Definition of quadrant

1 : an arc of 90° that is one quarter of a circle
2 : any of the four more or less equivalent segments into which an anatomic structure may be divided by vertical and horizontal partitioning through its midpoint pain in the lower right quadrant of the abdomen

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More from Merriam-Webster on quadrant

Spanish Central: Translation of quadrant

Nglish: Translation of quadrant for Spanish Speakers

Britannica.com: Encyclopedia article about quadrant