Quad

Quad may refer to:

Architecture

Quadrangle in architecture, e.g., on a university campus
Quad, a dormitory room or suite housing four residents
Quad Cities, a region which includes the Iowa cities of Bettendorf and Davenport and the Illinois cities of Moline, East Moline, and Rock Island

Beer

Quadrupel is a Belgian style ale of great strength with bolder flavor compared to its Dubbel and Tripel sister styles.

Games

Quad Damage, a Quake and Unreal Tournament power-up
Quad, a type of combined robotic enemy in the Nintendo Gamecube game Metroid Prime 2
Quad (more commonly Quads), four of a kind in poker
Quad, a Harkonnen attack vehicle from the computer game Dune 2
Quad cannon, an anti-air weapon in Command & Conquer: Generals

International Trade

The Quadrilateral group of finance ministers

Music, theatre and film

Quad (play), by Samuel Beckett
Quad (music), a musical project by Gary Ramon
Quad Electroacoustics, a British manufacturer of electronic amplifiers, tuners and loudspeakers mainly for the high-end domestic market
Quadraphonic, or four-channel sound
Quadrophenia, a 1973 album by The Who
Quad Toms, marching percussion instrument
Quad, a film poster in the United Kingdom typically measuring 30 x 40 inches
The Quads, the British new-wave band
QuadCarbon, fictional corporation in movie Proof of Life
John Callahan's Quads!, an animated series from Nelvana
Quad, a unit of computer storage measurement in the fictional Star Trek universe

Science and mathematics

Quadriceps, a muscle
Quadruped, a creature or mechanism which moves on four legs
Quad (energy), a unit of energy (short for quadrillion) defined as 10¹⁵ British thermal units (about 1.055 exajoule (EJ) or 1.055 × 10¹⁸ J)
Quadrilateral, a four sided figure in plane geometry
Quadratic, the second power in mathematics
Quadrangle (geography), a 7.5-minute topographic map produced by the United States Geological Survey, covering in greater detail one quarter of the area of a 15-minute map
Quadrilateralized Spherical Cube, a mapping scheme for data collected on a spherical surface, such as a planet
QUaD, a telescope located at the South Pole that is designed to measure the cosmic microwave background radiation polarization
Quadratic Formula, the equation used to solve quadratic equations

Society and religion

Quad, a derogatory term for a quadriplegic
Quadrangle Club, one of the ten eating clubs at Princeton University

Sports

Quad, a boat configuration in rowing that contains 4 people, with 2 oars each, and no coxswain
Quad, a chairlift in skiing which carries four persons
Quad (figure skating), a figure skating jump with four revolutions
Quad skates, roller skates with two wheels on each of two axles
Quad, A type of surfboard containing 4 fins

Technology

Quad-core
Quadtree, a tree data structure typically used to partition a 2-dimensional space
Quad precision, a number stored using 16 eight-bit bytes, which is four times the size of 4-byte single precision
Quad Electroacoustics, a British manufacturer of electronic amplifiers, tuners and loudspeakers mainly for the high-end domestic market
Quad, an abbreviation for a type of videotape recorder, especially 2" Quadruplex videotape, where there are four record heads on a spinning drum which move perpendicular to the direction of tape travel
Quad, telecommunication term referring to four conductors formation used to form two balanced pairs
Star quad, four conductors in square formation, in which opposite conductors are connected in parallel at both ends to form a single, magnetically-concentric balanced pair, in order to minimise magnetic induction
Quadraphonic sound, or four-channel sound
quad, abbreviation for Quadrupole ion trap
Em quad, in typography, a space that is as wide as the height of the font
En quad, a space that is one half the width of an em quad
QUAD (cipher), a stream cipher

Vehicles

Quadriga
Quadruple combination fire apparatus that features a pump, tank, hose and a full complement of ground ladders
Quad, a tandem bicycle with four seats
Quad, a muscle car with a four-barrel carburetor
Quad, the nickname of the Morris C8 artillery gun tractor
Quad (rocket), an autonomous rocket by Armadillo Aerospace
Quads refer to four exhaust pipes (usually grouped two on each end) of a vehicle
Quad bikes, four-wheeled all-terrain vehicles.

Translation

The word "Quad" occurs as such in the following languages: English, Italian, Dutch, Swedish.

Translation(s) in other languages: German: Quad (Begriffsklärung), French: Quad (homonymie).