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Operation or Operations may refer to:


Arts, entertainment and media

* ''Operation'' (game), a battery-operated board game that challenges dexterity *
Operation (music) upright=1.5, Set 3-1 has three possible rotations/inversions, the normal form of which is the smallest pie or most compact form Musical set theory provides concepts for categorizing music Music is the art of arranging sounds in time to pro ...
, a term used in musical set theory * ''Operations'' (magazine), Multi-Man Publishing's house organ for articles and discussion about its wargaming products * ''The Operation'' (film), a 1973 British television film * ''The Operation'' (1990), a crime, drama, TV movie starring
Joe Penny Joseph Edward Penny Jr. (born 24 June 1956) is an English people, English-born American actor best known for his roles as Nick Ryder on the detective series ''Riptide (American TV series), Riptide'' from 1984 to 1986, and as Jake Styles in the C ...
, Lisa Hartman, and Jason Beghe * ''The Operation'' (1992–1998), a reality television series from
TLC TLC may refer to: Arts and entertainment Television * TLC (TV series), ''TLC'' (TV series), a 2002 British situational comedy television series that aired on BBC2 * TLC (TV network), formerly the Learning Channel, an American cable TV network ** TL ...
* The Operation M.D., formerly The Operation, a Canadian garage rock band


Business

*
Business operations Business operations is the ''harvesting'' of value from assets owned by a business. Assets can be either ''tangible property, physical'' or ''intangible asset, intangible''. An example of value derived from a physical asset, like a building, is re ...
, the harvesting of value from assets owned by a business *
Manufacturing operations Manufacturing operations concern the operation of a facility, as opposed to maintenance, supply (economics), supply and distribution (business), distribution, health, and safety, emergency response, human resources, security, information technology ...
, operation of a facility *
Operations management Operations management is an area of management Management (or managing) is the administration of an organization An organization, or organisation (English in the Commonwealth of Nations, Commonwealth English; American and British Engl ...

Operations management
, an area of management concerned with designing and controlling the process of production


Military and law enforcement

*
Military operation A military operation is the coordinated military action War is an intense armed conflict between State (polity), states, governments, Society, societies, or paramilitary groups such as Mercenary, mercenaries, Insurgency, insurgents, and ...
, a military action (usually in a military campaign) using deployed forces **
Black operation A black operation or black op is a covert or clandestine operation by a government agency, a military unit or a paramilitary organization; it can include activities by private companies or groups. Key features of a black operation are that it ...
, or "Black op", an operation that may be outside of standard military protocol or against the law **
Clandestine operation A clandestine operation is an intelligence Intelligence has been defined in many ways: the capacity for logic Logic (from Ancient Greek, Greek: grc, wikt:λογική, λογική, label=none, lit=possessed of reason, intellectual, dialec ...
, an intelligence or military operation carried out so that the operation goes unnoticed **
Combined operations In current military use, combined operations are operations conducted by forces of two or more allied nations acting together for the accomplishment of a common strategy, a Military strategy, strategic and operational warfare, operational and so ...
, operations by forces of two or more allied nations **
Covert operation A covert operation is a military operation intended to conceal the identity of (or allow plausible denial ''Plausible Denial: Was the CIA Involved in the Assassination of JFK?'' is a 1991 book by American attorney, Mark Lane (author), Mark Lane ...
, an operation which conceals the identity of the sponsor ** Psychological operations, an operation consisting of psychological manipulations, tactics, and warfare **
Special operations Special operations (S.O.) are military activities conducted by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment," according to NATO. Special operations may include ...
, military operations that are unconventional *
Operations (J3) The Operations (J3) directorate is the Continental Staff System A military staff (often referred to as general staff, army staff, navy staff, or air staff within the individual services) is a group of officers, enlisted and civilian perso ...
, third level of Nation Level Command Structure *
Operations (military staff) Military operations is a concept and application of military science Military science is the study of military processes, institutions, and behavior, along with the study of warfare, and the theory and application of organized coercive forc ...
, staff involved in planning operations *
Sting operation In law enforcement, a sting operation is a deceptive operation designed to catch a person committing a crime. A typical sting will have an undercover law enforcement officer, detective, or co-operative member of the public play a role as crimi ...
, an operation designed to catch a person committing a crime, by means of deception


Science and technology

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Inference Inferences are steps in reasoning Reason is the capacity of consciously applying logic Logic is an interdisciplinary field which studies truth and reasoning Reason is the capacity of consciously making sense of things, applying logic ...

Inference
, a step in reasoning *
Information technology operations Data center management is the collection of tasks performed by those responsible for managing ongoing operation of a data center A data center (American English American English (AmE, AE, AmEng, USEng, en-US), sometimes called United Sta ...
*
Operation (mathematics) In mathematics Mathematics (from Greek: ) includes the study of such topics as numbers (arithmetic and number theory), formulas and related structures (algebra), shapes and spaces in which they are contained (geometry), and quantities and ...
, a calculation from zero or more input values (called operands) to an output value **
Arity Arity () is the number of arguments In logic Logic (from Ancient Greek, Greek: grc, wikt:λογική, λογική, label=none, lit=possessed of reason, intellectual, dialectical, argumentative, translit=logikḗ)Also related to (''logo ...
, number of arguments or operands that the function takes **
Binary operation In mathematics Mathematics (from Greek: ) includes the study of such topics as numbers (arithmetic and number theory), formulas and related structures (algebra), shapes and spaces in which they are contained (geometry), and quantities and ...
, calculation that combines two elements of the set to produce another element of the set **
Graph operations Graph operations produce new graph Graph may refer to: Mathematics *Graph (discrete mathematics), a structure made of vertices and edges **Graph theory, the study of such graphs and their properties *Graph (topology), a topological space resembl ...
, produce new graphs from initial ones **
Modulo operation In computing, the modulo operation returns the remainder or signed remainder of a Division (mathematics), division, after one number is divided by another (called the ''modular arithmetic, modulus'' of the operation). Given two positive numbers a ...
, operation finds the remainder after division of one number by another ** Operations research, in British usage, application of advanced analytical methods to make better decisions **
Unary operation In mathematics Mathematics (from Greek: ) includes the study of such topics as numbers (arithmetic and number theory), formulas and related structures (algebra), shapes and spaces in which they are contained (geometry), and quantities and ...
, an operation with only one operand *
Rail transport operations Rail transport operations are the day-to-day operations of a railway. A railway has two major components: the infrastructure Infrastructure is the set of fundamental facilities and systems that support the sustainable functionality of household ...
, the control of a rail system *
Scientific operation The scientific method is an empirical Empirical evidence for a proposition In logic and linguistics, a proposition is the meaning of a declarative sentence (linguistics), sentence. In philosophy, "Meaning (philosophy), meaning" is unders ...
*
Surgical operation Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical or dental specialty that uses operative manual and instrumental techniques on a person to investigate or tr ...
or surgery, in medicine *
Unit operationImage:LOC MI0086 QuincyMine TIF 00027aS.png, 400px, An ore extraction process broken into its constituent unit operations (Quincy Mine, Hancock, MI ca. 1900) In chemical engineering and related fields, a unit operation is a basic step in a process (e ...
, a basic step in a chemical engineering process


Other uses

* Anomalous operation, in parapsychology, a term describing a broad category of purported paranormal effects * Operation, a word which represents a
grammatical relation In linguistics Linguistics is the science, scientific study of language. It encompasses the analysis of every aspect of language, as well as the methods for studying and modeling them. The traditional areas of linguistic analysis include p ...
(i.e., function) or instruction, rather than a term or name *
Operation of law The phrase "by operation of law" is a legal term that indicates that a right or liability has been created for a party, irrespective of the intent of that party, because it is dictated by existing legal principles. For example, if a person dies with ...
, a legal term that indicates that a right or liability has been created for a party


See also

* List of military operations * OP (disambiguation) *
Operations support system Operations Support Systems (OSS), Operational Support Systems in British usage, or Operation System (OpS) in NTT, are computer systems used by telecommunications service providers to manage their networks (e.g., telephone networks). They support ...
, used in the telecommunications industry *
Operations room Image:Mission control center.jpg, Christopher C. Kraft Jr. Mission Control Center, NASA's "Shuttle" (White) Flight Control Room in Houston, Texas A control room or operations room is a room serving as a central space where a large physical facil ...
, the tactical center providing processed information for command and control of an area of operations *
Operative (disambiguation) Operative may refer to: * Operative Media, an advertising company, founded 2000 * The Operative (film), ''The Operative'' (film), a 2019 thriller film * The Operative (Firefly), a character from the ''Firefly'' media franchise * ''The Operative: No ...
*
Operator (disambiguation) Operator may refer to: Mathematics * A symbol indicating a mathematical operation * Logical operator or logical connective in mathematical logic * Operator (mathematics), mapping that acts on elements of a space to produce elements of another spa ...
{{disambiguation