quadrant

noun
quad·​rant | \ ˈkwä-drənt 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

But Ovechkin’s pucks often trick netminders into covering the wrong quadrant, leaving a parade of sagged shoulders and awestruck admirers in their wake. Alex Prewitt, SI.com, "'It Just Moves Like Crazy': The Deception and Motion of Alex Ovechkin's Shot," 13 Mar. 2018 The first is squeezing out a small amount for each quadrant of your face instead of one pea-size drop for your whole face. Devon Abelman, Allure, "This Powerful Vitamin C Treatment Helped Me Get the Glass Skin of My Dreams," 19 Mar. 2019 In a quadrant of the city increasingly dominated by construction sites and meat-market nightlife, Nielsen’s is among a handful of welcoming Old Seattle spots anchoring the neighborhood. Megan Burbank, The Seattle Times, "For a sweet dose of hygge, try Nielsen’s Pastries in Lower Queen Anne," 11 Dec. 2018 The painting’s sublime feeling of complete equilibrium derives from the precision with which Leonardo arranges the elements within the diagonal quadrants. Tom L. Freudenheim, WSJ, "A Portrait Both Sensible and Sensual," 11 Jan. 2019 So this quadrant of the vast and largely uninhabitable flood plain not only once hosted a settlement but one with a large elite population. Rob Reid, Ars Technica, "Ars on your lunch break: Finding Pharaoh and spotting looters from orbit," 1 Nov. 2018 The companies say 400 bikes are not enough to make a profit and deploy them to all four quadrants of the city as required. Luz Lazo, Washington Post, "Theft and destruction of dockless bikes a growing problem," 1 July 2018 An event billed instead as a family-friendly picnic will take place at Lents Park in the city's southeast quadrant, much to the chagrin of those who embrace the rebellious spirit of the anti-capitalist holiday. Shane Dixon Kavanaugh, OregonLive.com, "After last year's melee, Portland's anti-capitalists throw May Day picnic," 30 Apr. 2018 Wave heights to 83 ft were measured early this morning under the NE quadrant of Hurricane Florence. Lucia I. Suarez Sang, Fox News, "Hurricane Florence, 'storm of a lifetime,' generating 83-feet high waves as it barrels towards Carolina coast," 12 Sep. 2018

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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Statistics for quadrant

Last Updated

9 May 2019

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Time Traveler for quadrant

The first known use of quadrant was in the 15th century

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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-drənt\

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-rənt 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

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