Slack may refer to:
Places
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Slack, West Yorkshire, a village in Calderdale, England
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The Slack
The Slack is a village in County Durham, England. It is situated near to Butterknowle, to the west of Bishop Auckland
Bishop Auckland () is a market town and civil parish at the confluence of the River Wear and the River Gaunless in County D ...
, a village in County Durham, England
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Slack (river)
The Slack (, ) is a coastal river in the Pas-de-Calais department, in northern France.
It rises at Hermelinghen on Mount Binôt, flows through Rinxent, Marquise, Beuvrequen, Slack (village near Ambleteuse) and flows into the English Channel i ...
, a river in Pas-de-Calais department, France
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Slacks Creek, Queensland, a suburb of Logan City, Queensland, Australia
Science and technology
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File slack, a kind of computer internal fragmentation
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Slack bus
In electrical power systems a slack bus (or swing bus), defined as a Vδ bus, is used to balance the active power , P, and reactive power , Q, in a system while performing load flow studies. The slack bus is used to provide for system losses by ...
, an electrical power regulating system used to conduct load flow studies
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Slack (project management)
In project management, float or slack is the amount of time that a task in a project network can be delayed without causing a delay to:
* subsequent tasks ("''free float''")
* project completion date ("''total float''").
''Total float'' is associ ...
, the time that a task in a project network can be delayed without delaying subsequent tasks or the overall project
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Slack (software)
Slack is an instant messaging program designed by Slack Technologies and owned by Salesforce. Although Slack was developed for professional and organizational communications, it has been adopted as a community platform. Users can communicate ...
, a team communication tool that can be used for collaboration
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Slack variable In an optimization problem, a slack variable is a variable that is added to an inequality constraint to transform it into an equality. Introducing a slack variable replaces an inequality constraint with an equality constraint and a non-negativity c ...
, a mathematical concept
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Slackware
Slackware is a Linux distribution created by Patrick Volkerding in 1993. Originally based on Softlanding Linux System, Slackware has been the basis for many other Linux distributions, most notably the first versions of SUSE Linux distributio ...
, a Linux distribution
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Slack tub, used by a blacksmith to quench hot metal
People
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Andrew Slack (born 1955), Australian rugby union player
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Charlie Slack (1931–2020), American basketball player
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George Slack (1874–1950), American politician
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Shanon Slack
Shanon Slack (born April 23, 1983) is an American mixed martial artist who competes in Bellator's featherweight division.
Background
Slack lived his early life in Chicago, but his family moved to Richmond, Virginia when he was in the 6th grad ...
(born 1984), American mixed martial artist
Other uses
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Resource slack, the level of availability of a resource to a business
* Slack, the central belief of the parody religion
Church of the SubGenius
The Church of the SubGenius is a parody religion that satirizes better-known belief systems. It teaches a complex philosophy that focuses on J. R. "Bob" Dobbs, purportedly a salesman from the 1950s, who is revered as a prophet by the Church. Sub ...
* Slack coal, fragments of coal and coal dust; for example used in the
Birchills Power Station
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Slackness or slack, lyrics of a crude or bawdy nature in dancehall music
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Slacks or trousers
* Slack, the valley or trough between
dune
A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, fl ...
s
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Slack action
In railroading, slack action is the amount of free movement of one car before it transmits its motion to an adjoining coupled car. This free movement results from the fact that in railroad practice cars are loosely coupled, and the coupling is oft ...
, free movement due to loose couplings between railway cars
See also
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SLAC (disambiguation) SLAC can mean
* SL Agritech Corporation, Philippine hybrid rice company
* SLAC National Accelerator Laboratory, Stanford Linear Accelerator Center
* SLAC Wrist, a wrist in which the scapholunate ligament is ruptured
* SLAC (basketball club), a Gu ...
*
Slacks (disambiguation)
Slacks is a common term for pants or trousers. It may also refer to:
* Donovan Slacks, leader of a militant fishermen's uprising in 1920s Britain
*Slacks Creek, Queensland
Slacks Creek is a suburb in the City of Logan, Queensland, Australia. ...
*
Slacker
A slacker is someone who habitually avoids work or lacks work ethic.
Origin
According to different sources, the term ''slacker'' dates back to about 1790 or 1898. "Slacker" gained some recognition during the British Gezira Scheme in the earl ...
, a person who habitually avoids work or lacks work ethic
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