Quad
From Free net encyclopedia
- For the numerical prefix quadri-/quadr- see Wiktionary.
Template:Wiktionary Things named quad include:
Contents |
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Science and Technology
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Biological Sciences
- The short form of a muscle's name: the quadriceps
- In studies of animal locomotion and walking machines, a quadruped is a four-legged creature or mechanism
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Computer Science
- In computer science, a seldom-used unit of information defined as four eight-bit bytes: quad precision.
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Physical Science
- A unit of energy (short for quadrillion) defined as 1015 British thermal units (about 1.055 exajoule (EJ) or 1.055 × 1018 J). This is approximately equal to the energy of a quarter gigaton of TNT, or a fortieth of a Gigaton of Oil Equivalent. Global annual energy consumption is about 380 to 400 quads.
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Mathematics
- In plane geometry, a quadrilateral is a four sided figure
- In mathematics quadratic refers to a second power, not fourth (quartic).
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Electronics and Telecommunications
- Quad Electroacoustics is a well reputed British manufacturer of electronic amplifiers, tuners and loudspeakers mainly for the high-end domestic market
- 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
- A telecommunication term, referring to a cable with four conductors in a square formation used to form either two balanced pairs or a star quad.
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Vehicles etc.
- A quad bike; see all-terrain vehicle
- In the muscle car scene, a four-barrel carburetor.
- The nickname of the Morris C8 artillery gun tractor.
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Art and Literature
- A play by Samuel Beckett; see Quad (play)
- The name of a musical project by Gary Ramon—see Quad (music).
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Buildings and Architecture
- In architecture, the abbreviation for a quadrangle, e.g., on a university campus and especially at Oxford University (cf. "court" at Cambridge University)
- A dormitory room or suite housing four residents
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Society and Religion
- The Quadrangle Club, one of the eleven eating clubs at Princeton University
- The Bible, Book of Mormon, Doctrine and Covenants and Pearl of Great Price published together in a single volume.
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Popular culture
- Short name for the Quake power-up, Quad Damage
- One 1000th part of the fictional (Star Trek) unit of a kiloquad
- In the Nintendo Gamecube game Metroid Prime 2, a Quad is a type of combined robotic enemy, consisting of a head (CM, Command Module) and a body (Main Body, MB)
- A quad of marijuana (7 grams)
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Other
- Someone who is a quadriplegic, often considered a derogatory term
- 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.
- Skiing: a chairlift which carries four persons, most commonly as a high-speed detachable chairlift.
- A jump with four revolutions in Figure skating.
- A four of a kind in poker.
In the language used by trade negotiators, the 'quad' are the countries of the United States, Japan and Canada, plus the European Union. These four economies are responsible for around 61% of world imports by value, and 71% of world exports, and so they have considerable clout within the World Trade Organisation.