Stack may refer to:

Places

Stack Island Stack Island is an island game reserve, with an area of 23.7 ha and a high point 54 m above sea-level, in Bass Strait, south-eastern Australia. It is part of Tasmania’s Hunter Island Group which lies between north-west Tasmania and King Isla ...

, an island game reserve in Bass Strait, south-eastern Australia, in Tasmania’s Hunter Island Group *

Blue Stack Mountains The Blue Stack Mountains or Bluestack Mountains, also called the Croaghgorms (), are the major mountain range in the south of County Donegal, Ireland. They provide a barrier between the south of the county, such as Donegal Town and Ballyshannon, an ...

, in Co. Donegal, Ireland

People

* Stack (surname) (including a list of people with the name) * Parnell "Stacks" Edwards, a key associate in the

Lufthansa heist The Lufthansa heist was a robbery at New York City's John F. Kennedy International Airport on December 11, 1978. An estimated $5.875 million (equivalent to $ million in ) was stolen, with $5 million in cash and $875,000 in jewelry, ma ...

* Robert Stack Pierce (1933–2016), an American actor and baseball player * Brian "Stack" Stevens (1941–2017), a Cornish rugby player *

Stacks (rapper) Stack may refer to: Places * Stack Island, an island game reserve in Bass Strait, south-eastern Australia, in Tasmania’s Hunter Island Group * Blue Stack Mountains, in Co. Donegal, Ireland People * Stack (surname) (including a list of people ...

(born 1985), the stage name of the rapper Yannique Barker

Arts, entertainment, and media

* ''

Stack magazine ''Stack'' is a sports performance and athlete lifestyle publication targeted at high school student athletes. Double issues of ''STACK Magazine'' are distributed free of cost three times per year to 13,500 high schools nationwide (about 75% of al ...

'', a bimonthly publication about high school sports * ''Stacks'' (album), a 2005 album by Bernie Marsden * Stacks, trailer parks that were made vertical, in the film ''

Ready Player One ''Ready Player One'' is a 2011 science fiction novel, and the debut novel of American author Ernest Cline. The story, set in a dystopia in 2045, follows protagonist Wade Watts on his search for an Easter egg in a worldwide virtual reality ga ...

Computing

Stack (abstract data type) In computer science, a stack is an abstract data type that serves as a collection of elements, with two main operations: * Push, which adds an element to the collection, and * Pop, which removes the most recently added element that was not y ...

, abstract data type and data structure based on the principle of last in first out **

Stack (C++) Stack may refer to: Places * Stack Island, an island game reserve in Bass Strait, south-eastern Australia, in Tasmania’s Hunter Island Group * Blue Stack Mountains, in Co. Donegal, Ireland People * Stack (surname) (including a list of people ...

, a C++ standard container, simulating a stack * Stack (Haskell), a tool to build Haskell projects and manage their dependencies * Stack in Macintosh, one of a collection of documents created with

HyperCard HyperCard is a software application and development kit for Apple Macintosh and Apple IIGS computers. It is among the first successful hypermedia systems predating the World Wide Web. HyperCard combines a flat-file database with a graphical, fl ...

(as in a stack of virtual cards) * Stack in

LiveCode LiveCode (formerly Revolution and MetaCard) is a cross-platform rapid application development runtime system inspired by HyperCard. It features the ''LiveCode Script'' (formerly MetaTalk) programming language which belongs to the family of xTalk ...

, one of a collection of program scripts created with LiveCode's ''Transcript'' programming language *

Call stack In computer science, a call stack is a stack data structure that stores information about the active subroutines of a computer program. This kind of stack is also known as an execution stack, program stack, control stack, run-time stack, or ma ...

, stack data structure that stores information about the active subroutines of a computer program *

Protocol stack The protocol stack or network stack is an implementation of a computer networking protocol suite or protocol family. Some of these terms are used interchangeably but strictly speaking, the ''suite'' is the definition of the communication protoco ...

, a particular software implementation of a computer networking protocol suite *

Solution stack In computing, a solution stack or software stack is a set of software subsystems or components needed to create a complete Computing platform, platform such that no additional software is needed to support applications. Applications are said to " ...

, a group of software systems, increasing in abstraction from bottom to top *

Stack-based memory allocation Stack (abstract data type)#Hardware_stack, Stacks in computing architectures are regions of memory (computers), memory where data is added or removed in a LIFO (computing), last-in-first-out (LIFO) manner. In most modern computer systems, each ...

, a memory allocation scheme based on the principle of "last in, first out" *

Stacks (Mac OS) Stacks are a feature found in Apple's macOS, starting in Mac OS X Leopard. As the name implies, they "stack" files into a small organized folder on the Dock. At the WWDC07 Keynote Presentation, Steve Jobs stated that in Leopard, the user wi ...

, a folder view on the Dock of macOS *

Stacks blockchain Stacks, formerly Blockstack, is an open-source platform to enable smart contracts, DeFi, NFTs, and apps for Bitcoin. Stacks blockchain is a "layer" for Bitcoin similar to the Lightning Network. In addition to smart contracts, the Stacks project pro ...

, a Bitcoin smart contract platform

Science and technology

Stack (geology) A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. Stacks are formed over time by wind and water, processes of coastal geomorphology ...

, a large vertical column of rock in the sea *

Stack (mathematics) In mathematics a stack or 2-sheaf is, roughly speaking, a sheaf that takes values in categories rather than sets. Stacks are used to formalise some of the main constructions of descent theory, and to construct fine moduli stacks when fine moduli sp ...

, a sheaf that takes values in categories rather than sets *

Algebraic stack In mathematics, an algebraic stack is a vast generalization of algebraic spaces, or schemes, which are foundational for studying moduli theory. Many moduli spaces are constructed using techniques specific to algebraic stacks, such as Artin's repr ...

, a special kind of stack commonly used in algebraic geometry **

Stacks Project The Stacks Project is an open source collaborative mathematics textbook writing project with the aim to cover "algebraic stacks and the algebraic geometry needed to define them". , the book consists of 115 chapters (excluding the license and index ...

, an open source collaborative mathematics textbook writing project *

Stacking (chemistry) In chemistry, pi stacking (also called π–π stacking) refers to the presumptive attractive, noncovalent pi interactions ( orbital overlap) between the pi bonds of aromatic rings. However this is a misleading description of the phenomena since ...

, or pi stacking, attractive, noncovalent interactions between aromatic rings *

Yellow stackhousia ''Stackhousia dielsii'', commonly known as yellow stackhousia, is a species of plant in the family Celastraceae. The dense perennial herb typically grows to a height of and has a sedge-like habit. It blooms between July and November and produce ...

, a plant *''The Stack'', a political and design theory of planetary-scale computation coined by

Benjamin H. Bratton Benjamin H. Bratton (born 1968) is an American Philosopher of Technology known for his work spanning social theory, computer science, design, artificial intelligence, and for his writing on the geopolitical implications of what he terms "planetar ...

* Stack, an assembled

multistage rocket A multistage rocket or step rocket is a launch vehicle that uses two or more rocket ''stages'', each of which contains its own engines and propellant. A ''tandem'' or ''serial'' stage is mounted on top of another stage; a ''parallel'' stage i ...

Transportation

Operation Stack Operation Stack is a procedure used by Kent Police and the Port of Dover in England to park (or "stack") lorries on the M20 motorway in Kent when services across the English Channel, such as those through the Channel Tunnel or from the Port ...

, parking lorries on the M20 in Kent, England, when Channel crossings are disrupted *

Stack interchange A directional interchange, colloquially known as a stack interchange, is a type of grade-separated junction between two controlled-access highways that allows for free-flowing movement to and from all directions of traffic. These interchanges e ...

, a free-flowing grade-separated junction between two roads *

The Stack The Stack is a colloquialism used to describe the symmetrical, four-level stack interchange in Phoenix, Arizona that facilitates movements between Interstate 17/ U.S. Route 60 and Interstate 10. Description In 2006, the Stack interchange saw an ...

, the interchange of I-10 and I-17 in Phoenix, Arizona

Other uses

Stack Ltd (stylized 0verflow) is a Japanese video game division of specializing in the production of mature interactive fiction. The Overflow label is known for its game franchise '' School Days''. Stack's headquarters are located in the in Kanda, C ...

, the company that owns 0verflow *

Stack (unit) Stack was a US unit of volume for stacked firewood. Symbol for the unit was stk. Definition 108 cubic foot. Conversion 1 stack ≡ 64 Load (squared) 1 stack≡ 64 cubic foot 1 stack≡ 64 m3 References {{Reflist Units of volume Cust ...

, a US unit of volume for stacked firewood *

Amp stack A guitar amplifier (or amp) is an electronic device or system that strengthens the electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which ar ...

, of guitar amplifiers *

Library stack In library science and architecture, a stack or bookstack (often referred to as a library building's ''stacks'') is a book storage area, as opposed to a reading area. More specifically, this term refers to a narrow-aisled, multilevel system ...

, compactly spaced bookshelves in libraries *

Smoke stack A chimney is an architectural ventilation structure made of masonry, clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler, stove, furnace, incinerator, or fireplace from human living areas. Chimneys are typ ...

or chimney **

Flue-gas stack A flue-gas stack, also known as a smoke stack, chimney stack or simply as a stack, is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air. Flue g ...

, the industrial terminology for an industrial plant chimney **

Funnel (ship) A funnel is the smokestack or chimney on a ship used to expel boiler steam and smoke or engine exhaust. They are also commonly referred to as stacks. Purpose The primary purpose of a ship's funnel(s) is to lift the exhaust gases clear of the ...

, the smokestack or chimney on a ship *

Stack effect The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor a ...

, the movement of air into and out of buildings, chimneys, flue-gas stacks, or other containers