Loop - AbsoluteAstronomy.com

Technology

Loop (telecommunication), sending a signal on a channel and receiving it back at the sending terminal
Loop (computing), a method of control flow in computer science
Loop device
Loop device
In Unix-like operating systems, a loop device, vnd , or lofi is a pseudo-device that makes a file accessible as a block device....

, a Unix device node that allows a file to be mounted on a directory

Mathematics

Loop (algebra), a quasigroup with an identity element
Loop (graph theory)
Loop (graph theory)
In graph theory, a loop is an edge that connects a vertex to itself. A simple graph contains no loops....

, an edge that begins and ends on the same vertex
Loop (topology)
Loop (topology)
In mathematics, a loop in a topological space X is a path f from the unit interval I = [0,1] to X such that f = f...

, a path that starts and ends at the same point

Sports

Loop jump
Loop jump
The Loop jump is a figure skating jump that takes off from a back outside edge and lands on the same backwards outside edge. For a jump with counterclockwise rotation, this is the right back outside edge. It is named from its similarity to the loop compulsory figure. The invention is widely...

, a figure skating jump
Flight (cricket)
Flight (cricket)
Flight, also known as Loop, is a description of a kind of delivery in cricket, when a bowler makes the ball rise above eyeline, before it descends once again on its trajectory towards the batsman.Flight is a key weapon of spin bowlers...

or loop, an aspect of bowling in cricket
Aerobatic loop, a type of aircraft aerobatic maneuver
Loop, a type of offensive shot in table tennis
Loop, a type of playboating maneuver

Rail

Balloon loop
Balloon loop
A balloon loop or turning loop allows a rail vehicle or train to reverse direction without having to shunt or even stop. Balloon loops can be useful for passenger trains and unit freight trains, such as coal trains....

, section of track that allows reversal of direction without stopping
Loop line (railway)
Loop line (railway)
Loop Line has several meanings.* A less important line which leaves a main line and then rejoins it later, continuing in the same direction. Significantly longer than a Passing loop, its purpose may be purely to provide a bypassing route, or it may provide a goods or passenger service in its own...

, branch line that deviates from a direct route and rejoins it at another location
Passing loop
Passing loop
A passing loop is a place on a single line railway or tramway, often located at a station, where trains or trams in opposing directions can pass each other. Trains/trams in the same direction can also overtake, providing that the signalling arrangement allows it...

, short section of track that allows trains to pass on a single track route
Spiral (railway)
Spiral (railway)
A spiral is a technique employed by railways to ascend steep hills.A railway spiral rises on a steady curve until it has completed a loop, passing over itself as it gains height, allowing the railway to gain vertical elevation in a relatively short horizontal distance...

, section of track that allows a train to climb a steep hill

Transportation

Loop (Texarkana)
Loop (Texarkana)
The Loop is a beltway around Texarkana, a twin city in the U.S. states of Arkansas and Texas, running about 16 miles . Consisting of Highway 245 - sometimes called Loop 245 - in Arkansas, and Loop 151 and a section of U.S. Highway 59 in Texas, it forms a three-quarter loop around the east, south...

, a proposed roadway loop around Texarkana, Arkansas
Loop route
Loop route
A loop route is a highway or other major road that extends out from a typically longer, more important parents road to enter and circle a large city. A loop can function as a bypass for through traffic and also to service outlying suburbs....

, a main route or highway that forms a closed loop
Ring road
Ring road
A ring road, orbital motorway, beltway, circumferential highway, or loop highway is a road that encircles a town or city...

or loop, a main route or highway that encircles a town or city
Passing loop
Passing loop
A passing loop is a place on a single line railway or tramway, often located at a station, where trains or trams in opposing directions can pass each other. Trains/trams in the same direction can also overtake, providing that the signalling arrangement allows it...

, a place on a single-line railway where trains can pass each other

Geography

Loop, Germany
Loop, Germany
Loop is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany....

, a municipality in Schleswig-Holstein, Germany
Chicago Loop
Chicago Loop
The Loop or Chicago Loop is one of 77 officially designated Chicago community areas located in the City of Chicago, Illinois. It is the historic commercial center of downtown Chicago...

, the downtown neighborhood of Chicago, Illinois bounded by the elevated railway The Loop (CTA)
- Loop Retail Historic District
  Loop Retail Historic District
  Loop Retail Historic District is a shopping district within the Chicago Loop community area in Cook County, Illinois, United States. It is bounded by Lake Street to the north, Congress Parkway to the south, State Street to the west and Wabash Avenue to the east...
  
  , a shopping district in the Chicago Loop
Louisiana Offshore Oil Port
Louisiana Offshore Oil Port
The Louisiana Offshore Oil Port is a deepwater port in the Gulf of Mexico off the coast of Louisiana near the town of Port Fourchon. LOOP provides tanker offloading and temporary storage services for crude oil transported on some of the largest tankers in the world. Most tankers offloading at LOOP...

, a deep-water port in the Gulf of Mexico off the coast of Louisiana
Delmar Loop
Delmar Loop
The Delmar Loop is an entertainment, cultural and restaurant district in University City, Missouri and the ajoining western edge of St. Louis, Missouri. Most of its attractions are located in the streetcar suburb of University City, but the area is expanding eastward into the Skinker-Debaliviere...

, an entertainment district in St. Louis, Missouri

Music

Loop (music), a finite element of sound which is repeated by technical means
Loop (band)
Loop (band)
Loop was a South London band founded in 1986 by Robert Hampson and his wife, Bex, and active until 1991.-Career:The band was formed in 1986 by Robert Hampson , with wife Bex on drums. Bex was soon replaced by John Wills and Glen Ray, with James Endeacott on guitar...

, a London rock band
Loop (album), a 2002 album by Keller Williams
"Loop" (song)
Loop (song)
-Charts:...

, a song by Maaya Sakamoto

Organizations

Loop (mobile)
Loop (mobile)
Loop is a Mobile Virtual Network Operator in Bulgaria. It is owned my M-Tel, the largest GSM mobile phone operator in the country. It is specially designed for young people between 14 and 29 years old. It offers various of tariff plans for every kind of users....

, a mobile virtual network operator in Bulgaria
Loop Mobile, a mobile phone operator in India
LOOP Barcelona
LOOP Barcelona
LOOP is an annual meeting point in Barcelona for video art lovers around the world. The platform takes the form of Festival + Fair + Conferences....

, a platform for video art based in Barcelona, Spain

Other uses

Loop (biochemistry), a flexible region in a protein's secondary structure
Loop (education)
Loop (education)
Looping, in education, refers to the practice of a teacher remaining with the same group of students for more than one school year. For example, a teacher who teaches a third grade class and then goes on to teach the same students, the following year, for the fourth grade.This is distinct from the...

, the process of advancing an elementary school teacher with his or her class
Loop (film)
Loop (film)
Loop is a 1997 British romantic comedy feature film produced by Tedi De Toledo and Michael Riley, written by Tim Pears and is the debut film of director Allan Niblo....

, a 1999 romantic comedy
Loop (knot)
Loop (knot)
In reference to knots, loop may refer to:* One of the fundamental structures used to tie knots. Specifically, it is a full circle formed by passing the working end over itself.* A type of knot used to create a closed circle in a line....

, one of the fundamental structures used to tie knots
Loop (novel)
Loop (novel)
is the third in the series of Ring novels by Koji Suzuki.The story revolves around a simulated reality, exactly the same as our own, known as the Loop: created to simulate the emergence and evolution of life...

, a novel in the Ring series by Koji Suzuki
Loop (roller coaster)
Loop (roller coaster)
The generic roller coaster vertical loop is the most basic of roller coaster inversions. Specifically, the loop refers to a continuously upward-sloping section of track that eventually results in a complete 360 degree circle. At the top-most piece of the loop, riders are completely inverted.-...

, a basic roller coaster inversion
Loop, a type of fingerprint pattern
Film loop, the slack portion of the film around the projector lens in a movie projector

Technology

Mathematics

Sports

Rail

Transportation

Geography

Music

Organizations

Other uses

See also