Slack or Slacks may refer to:

Places

Slack, West Yorkshire Outlane is a village in Kirklees, West Yorkshire, England, situated approximately south-west of Elland, north-west of Huddersfield and south of Halifax. The village is situated next to the M62 motorway near Junction 23 and straddles t ...

, a village in Calderdale, England *

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, Pas-de-Calais, Marquise, Beuvrequen, Slack (village near Ambleteuse) and flows in ...

, a river in Pas-de-Calais department, France *

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 parishes in England, civil parish at the confluence of the River Wear an ...

, a village in County Durham, England * Slacks Creek, Queensland, Australia, a suburb of Logan City

Science and technology

* Slack (project management), the time that a task in a project network can be delayed without delaying subsequent tasks or the overall project *

Slack (software) Slack is a Cloud computing, cloud-based team communication platform developed by Slack Technologies, which has been owned by Salesforce since 2020. Slack uses a freemium, freemium model. Slack is primarily offered as a business-to-business serv ...

, a team communication tool that can be used for collaboration *

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 e ...

, an electrical power regulating system used to conduct load flow studies * Slack tub, used by a blacksmith to quench hot metal *

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 constraint. A non-negativity constraint on the slack variable is also added. Slack variables are used in particu ...

, a mathematical concept * File slack, a kind of computer internal fragmentation

People

* Slack (surname), a list of people

Other uses

Slacks Trousers (British English), slacks, or pants ( American, Canadian and Australian English) are an item of clothing worn from the waist to anywhere between the knees and the ankles, covering both legs separately (rather than with cloth extending ...

, another name for trousers *

Slack Technologies Slack Technologies, LLC is an American software company founded in 2009 in Vancouver, British Columbia, known for its proprietary communication platform Slack (software), Slack. Outside its headquarters in San Francisco, California, Slack also o ...

, an American software company responsible for Slack software *''

Slack Technologies, LLC v. Pirani ''Slack Technologies, LLC v. Pirani'', 598 U.S. ___ (2023), was a United States Supreme Court case in which the Court held that to state a claim under Section 11(a) of the Securities Act of 1933 The Securities Act of 1933, also known as the ...

'', a U.S. Supreme Court securities law case * 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. SubGen ...

* 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, flat ...

s * Slack, not having

tension (physics) Tension is the pulling or stretching force transmitted axially along an object such as a string, rope, chain, rod, truss member, or other object, so as to stretch or pull apart the object. In terms of force, it is the opposite of ''compression ...

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 o ...

, free movement due to loose couplings between railway cars * Slack coal, fragments of coal and coal dust; for example used in the

Birchills Power Station Birchills power station and Walsall power station are a series of three coal-fired power stations in, or near, Walsall in the West Midlands, England. Walsall power station (1895–1917) The first electricity supply to Walsall began in the 18 ...

Resource slack Resource slack, in the business and management literature, is the level of availability of a resource. Resource slack can be considered as the opposite of resource scarcity or resource constraints. The availability of resources can therefore be d ...

, the level of availability of a resource to a business

Places

Science and technology

People

Other uses

See also