# Dictionary Definition

quadrant

### Noun

1 a quarter of the circumference of a circle
[syn: right
angle]

2 a quarter of the circumference of a circle
[syn: quarter-circle]

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

4 the area enclosed by two perpendicular radii of
a circle

5 a measuring instrument for measuring altitude
of heavenly bodies

# User Contributed Dictionary

## English

### Noun

#### Translations

section

- Dutch: kwadrant
- Finnish: kvadrantti
- French: quadrant
- Swedish: kvadrant

region of the Cartesian plane

fourth of a circle

- Dutch: kwadrant
- Finnish: kvadrantti
- French: quadrant
- Swedish: kvadrant

measuring device

- Dutch: kwadrant
- Finnish: kvadrantti
- French: quadrant
- German: Quadrant

# Extensive Definition

Quadrant may refer to:

- One of the four sections of the Cartesian coordinate system
- Quadrant (instrument), a measuring instrument capable of measuring angles up to 90°
- In science-fiction: Galactic quadrants (Star Trek)
- HMS Quadrant (G11), a Second World War British/Australian warship
- A Quadrant or section in a city street nomenclature system
- Quadrant (automobile)
- Quadrant Homes a real-estate company in the northwestern US
- Quadrant (magazine), an Australian journal
- Quadrant Shopping Centre, Swansea, Wales
- First Quebec Conference (1943) (codenamed "QUADRANT")
- A sector equal to one quarter of a circle, or half a semicircle
- Quadrant (architecture) a building which arcs in 90 degree manner

quadrant in German: Quadrant
(Begriffsklärung)

quadrant in French: Quadrant

quadrant in Hungarian: Kvadráns (egyértelműsítő
lap)

quadrant in Dutch: Kwadrant

quadrant in Polish: Kwadrant

quadrant in Russian: Квадрант

quadrant in Slovak: Kvadrant

# Synonyms, Antonyms and Related Words

adjunct, astrolabe, azimuth circle,
azimuth compass, bevel,
bevel protractor, bevel square, clinometer, component, contingent, crescent, cross section,
detachment, detail, division, dole, fraction, goniometer, graphometer, half circle,
hemicycle, installment, item, pantometer, parcel, part, particular, percentage, portion, protractor, quarter, quota, radiogoniometer, random
sample, remainder,
sample, sampling, section, sector, segment, semicircle, sextant, share, subdivision, subgroup, subspecies, theodolite, transit, transit circle, transit
instrument, transit theodolite