Definitions for quadrant
ˈkwɒd rəntquad·rant

Princeton's WordNetRate this definition:5.0 / 1 vote

1. quadrant, quarter-circlenoun

   a quarter of the circumference of a circle

2. quadrantnoun

   any of the four areas into which a plane is divided by two orthogonal coordinate axes

3. quadrantnoun

   the area enclosed by two perpendicular radii of a circle

4. quadrantnoun

   a measuring instrument for measuring altitude of heavenly bodies

WiktionaryRate this definition:0.0 / 0 votes

1. quadrantnoun

   One of the four sections made by dividing an area with two perpendicular lines.

2. quadrantnoun

   The four regions of the Cartesian plane bounded by the x-axis and y-axis.

3. quadrantnoun

   One fourth of a circle or disc; a sector with an angle of 90.

4. quadrantnoun

   A measuring device with a graduated arc of 90 used in locating an altitude.

5. Etymology: From quadrantem, accusative singular of quadrans.

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. QUADRANTnoun

   Etymology: quadrans, Lat.

   1. The fourth part; the quarter.

   In sixty-three years may be lost eighteen days, omitting the intercalation of one day every fourth year, allowed for this quadrant or six hours supernumerary. Brown.

   2. The quarter of a circle.

   The obliquity of the ecliptick to the equator, and from thence the diurnal differences of the sun’s right ascensions, which finish their variations in each quadrant of the circle of the ecliptick, being joined to the former inequality, arising from the excentricity, makes these quarterly and seeming irregular inequalities of natural days. William Holder, on Time.

   3. An instrument with which altitudes are taken.

   Some had compasses, others quadrants. Tatler, N° 81.

   Thin taper sticks must from one center part;
   Let these into the quadrant’s form divide. John Gay.

ChatGPTRate this definition:0.0 / 0 votes

1. quadrant

   A quadrant is a section or quarter of a specific area that is divided into four equal parts by two perpendicular lines or axes, typically referred to as the x-axis and y-axis in a Cartesian coordinate system. Each quadrant is labeled or numbered based on its location relative to the origin, which is the point of intersection of both axes. Quadrants are commonly used in mathematics, physics, and other fields to represent and analyze the position or location of points, angles, vectors, or other entities within a designated area.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Quadrantnoun

   the fourth part; the quarter

2. Quadrantnoun

   the quarter of a circle, or of the circumference of a circle, an arc of 90¡, or one subtending a right angle at the center.

3. Quadrantnoun

   one of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant

4. Quadrantnoun

   an instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90¡, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction.

5. Etymology: [L. quadrans, -antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See Four, and cf. Cadrans.]

WikidataRate this definition:0.0 / 0 votes

1. Quadrant

   Quadrant is an Australian literary and cultural journal. Since 1956 it has defended freedom of expression, high culture and the Western tradition. The magazine takes a conservative position on political and social issues, describing itself as sceptical of 'unthinking Leftism, or political correctness, and its "smelly little orthodoxies"'. Quadrant reviews literature, as well as featuring essays on ideas and topics such as politics, history, universities, and the arts. It also publishes poetry and short stories. It is published ten times per year and its current cover price is A$8.50. Keith Windschuttle was appointed Editor in late 2007.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Quadrant

   kwod′rant, n. (geom.) the fourth part of a circle, or an arc of 90°: an instrument used in astronomy for the determination of angular measurements: an instrument of navigation for measuring the altitude of the sun.—adj. Quadrant′al, pertaining to, equal to, or included in a quadrant. [L. quadrans, from quatuor, four.]

The Nuttall EncyclopediaRate this definition:0.0 / 0 votes

1. Quadrant

   an instrument for taking altitudes, consisting of the graduated arc of a circle of ninety degrees.

The Standard Electrical DictionaryRate this definition:0.0 / 0 votes

1. Quadrant

   A length equal to an approximate earth quadrant, equal to 1E9 centimeters. It has been used as the name for the unit of inductance, the henry, q. v. Synonym--Standard Quadrant.

Dictionary of Nautical TermsRate this definition:0.0 / 0 votes

1. quadrant

   A reflecting instrument used to take the altitude above the horizon of the sun, moon, or stars at sea, and thereby to determine the latitude and longitude of the place, &c. &c. It was invented by Hadley. Also, in speaking of double stars, or of two objects near each other, the position of one component in reference to the other is indicated by the terms, north following, north preceding, south following, or south preceding, the word quadrant being understood.--A gunner's quadrant, for determining the gun's angle of elevation. The long arm is inserted into the bore, while the short one remains outside, with a graduated arc and plummet, showing the inclination. For depression, on the contrary, the long arm must be applied to the face of the piece. Also, a graduated arc on the carriage showing, by an index on the trunnion, the gun's elevation above the plane of its platform; first applied by the gallant Captain Broke.--The mural quadrant, was framed and fitted with telescope, divisions, and plumb-line, firmly attached to the side of a wall built in the plane of the meridian; only used in large observatories.--Senical quadrant, consists of several concentric quadratic arcs, divided into eight equal parts by radii, with parallel right lines crossing each other at right angles. It was made of brass, or wood, with lines drawn from each side intersecting one another, and an index divided by sines also, with 90° on the limb, and two sights on the edge, to take the altitude of the sun. Sometimes, instead of sines, they were divided into equal parts. It was in great use among the French navigators, from its solving the problems of plane sailing.

Military Dictionary and GazetteerRate this definition:0.0 / 0 votes

1. quadrant

   An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90°, with an index or vernier, and either plain or telescopic sights, together with a plumb-line or spirit-level for fixing the vertical or horizontal direction.

Etymology and OriginsRate this definition:0.0 / 0 votes

1. Quadrant

   The Piccadilly end of Regent Street, so called because it describes a quarter of a circle.

Matched Categories

1. • Area
   • Line
   • Measuring Instrument

Usage in printed sourcesFrom: 

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How to pronounce quadrant?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say quadrant in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of quadrant in Chaldean Numerology is: 6

2. Pythagorean Numerology

   The numerical value of quadrant in Pythagorean Numerology is: 6

Examples of quadrant in a Sentence

1. Bob Krist:

   I had several meetings with Mr. Ripley and talked to the Capitol Commission on a number of things, i made it very clear that senators should not be out of this building for a session. And his plan of taking a quadrant out of service for a time and moving it elsewhere in Lincoln is not acceptable for us.

2. Ricky Strauss:

   We're unmatched in quality and appeal across our four-quadrant audience spanning a variety of genres, formats and arenas, and will continue to build on that year after year.

3. Richard Shotwell/Invision/AP:

   I just didn't want to be in the business anymore, i didn't like what was happening, the corporations taking over and all that. And maybe it's because I felt pulled toward a different type of creative outlet and I really liked the control of painting — of not having a committee in the way telling me what the idea must be to appeal to a four-quadrant whatever.

4. Dan Fellman:

   He's a four-quadrant, larger-than-life movie star, this is going to have great legs.

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=quadrant
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Quadrant
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=quadrant
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/quadrant
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=quadrant
7. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=quadrant
8. ^ The Nuttall Encyclopedia
   https://www.gutenberg.org/cache/epub/12342/pg12342-images.html#Quadrant
9. ^ The Standard Electrical Dictionary
   https://www.gutenberg.org/cache/epub/26535/pg26535-images.html#:~:text=quadrant
10. ^ Dictionary of Nautical Terms
    https://www.gutenberg.org/cache/epub/26000/pg26000-images.html#:~:text=quadrant
11. ^ Military Dictionary and Gazetteer
    https://www.gutenberg.org/cache/epub/59563/pg59563-images.html
12. ^ Etymology and Origins
    https://www.gutenberg.org/cache/epub/54657/pg54657-images.html#:~:text=quadrant
13. ^ Usage in printed sources
    https://books.google.com/ngrams/graph?content=quadrant