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 cities of Iowa cities of Bettendorf and Davenport and the Illinois cities of Moline, East Moline, and Rock Island

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, an Harkonnen attack vehicle from the computer game Dune 2
*Quad cannon, an anti-air weapon in

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
*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
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*"John Callahan's Quads!", an animated series from Nelvana
*Quad, a unit of computer storage measurement in the fictional Star Trek universe

cience 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

ociety and religion

*Quad, a derogatory term for a quadriplegic
*Quadrangle Club, one of the ten eating clubs at Princeton University
*Quad, a unique member of a small group of employees from a single organisation sharing a common experience

ports

*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
*All-terrain vehicle

Technology

*Quad-core
*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, 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.