Isolation is the near or complete lack of social contact by an individual. Isolation or isolated may also refer to:

Sociology and psychology

Social isolation Social isolation is a state of complete or near-complete lack of contact between an individual and society. It differs from loneliness, which reflects temporary and involuntary lack of contact with other humans in the world. Social isolation c ...

Isolation (psychology) Isolation () is a defence mechanism in psychoanalytic theory, first proposed by Sigmund Freud Sigmund Freud ( ; ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, ...

, a defense mechanism in psychoanalytic theory *

Emotional isolation Emotional isolation is a state of isolation where one may have an extensive or reliably available social network but still feels emotionally separated from others. Population-based research indicates that one in five middle-aged and elderly men ...

, a feeling of isolation despite a functioning social network * Isolation effect, a psychological effect of distinctive items more easily remembered

Mathematics

Real-root isolation In mathematics, and, more specifically in numerical analysis and computer algebra, real-root isolation of a polynomial consist of producing disjoint intervals of the real line, which contain each one (and only one) real root of the polynomial, and ...

Isolation lemma In theoretical computer science, the term isolation lemma (or isolating lemma) refers to randomized algorithms that reduce the number of solutions to a problem to one, should a solution exist. This is achieved by constructing random constraints suc ...

, a technique used to reduce the number of solutions to a computational problem. *

Isolated point In mathematics, a point is called an isolated point of a subset (in a topological space ) if is an element of and there exists a neighborhood of that does not contain any other points of . This is equivalent to saying that the singleton i ...

, a topological notion of having no points near a given point

Natural sciences

*Electrical or

galvanic isolation Galvanic isolation is a principle of isolating functional sections of electrical systems to prevent current flow; no direct conduction path is permitted. Energy or information can still be exchanged between the sections by other means, suc ...

, isolating functional sections of electrical systems to prevent current flowing between them *An

isolated system In physical science, an isolated system is either of the following: # a physical system so far removed from other systems that it does not interact with them. # a thermodynamic system enclosed by rigid immovable walls through which neither ...

, a system without any external exchange *

Isolating language Social isolation, Isolation is the near or complete lack of social contact by an individual. Isolation or isolated may also refer to: Sociology and psychology *Social isolation *Isolation (psychology), a defense mechanism in psychoanalytic theo ...

, a type of language with a low morpheme-per-word ratio *

Isolation (microbiology) In microbiology, the term isolation refers to the separation of a strain from a natural, mixed population of living microbes, as present in the environment, for example in water or soil, or from living beings with skin flora, oral flora or gut f ...

, techniques to separate microbes from a sample containing mixtures of microbes *

Reproductive isolation The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, ethology, behaviors and physiology, physiological processes critical for speciation. They prevent members of different species from producing offspring, or ensu ...

, in population genetics, prevents members of two different species from producing offspring if they cross or mate *

Topographic isolation The topographic isolation of a summit is the minimum geographical distance, horizontal distance to a point of equal elevation, representing a radius of dominance in which the peak is the highest point. It can be calculated for small hills and is ...

of a summit, the great circle distance to the nearest point of equal elevation

Engineering and computer sciences

*In electronics, a measure of how well two ports are disconnected in devices such as directional couplers and circulators *

Isolation (database systems) In database systems, isolation is one of the ACID ('' Atomicity, Consistency, Isolation, Durability'') transaction properties. It determines how transaction integrity is visible to other users and systems. A lower isolation level increases the a ...

, how and when the changes made by one operation become visible to other concurrent operations *In computer security, another name for software sandboxing *

Vibration isolation ''Vibration isolation'' is the prevention of transmission of vibration from one component of a system to others parts of the same system, as in Building, buildings or mechanical systems. Vibration is undesirable in many domains, primarily engineere ...

, in engineering, the process of isolating an object from the source of vibrations

Arts and entertainment

Film and television

* ''Isolation'' (2005 film), an Irish horror film * ''Isolation'' (2009 film), a British documentary *''Isolation'', a 2015 drama film featuring Dominic Purcell, Stephen Lang, and Tricia Helfer * "Isolation" (''The Walking Dead''), an episode of the television series ''The Walking Dead''

Music

* ''Isolation'' (Kali Uchis album), 2018 *"Isolation", a song by Die Krupps from 1995 album ''

III - Odyssey of the Mind III or iii may refer to: Companies * Information International, Inc., a computer technology company * Innovative Interfaces, Inc., a library-software company * 3i, formerly Investors in Industry, a British investment company Other uses * ...

'' * "Isolation" (Alter Bridge song), 2010 * ''Isolation'' (Carpathian album), 2008 * ''Isolation'' (Fear My Thoughts album), 2008 * "Isolation" (John Lennon song), 1970 * "Isolation" (Joy Division song), 1980 * "Isolation" (Kreator song), 1995 * ''Isolation'' (Toto album), 1984

Other arts and entertainment

* ''Isolation'' (board game), a 1972 board game * Isolation (illusion), an illusion whereby a prop appears to float in space * ''Isolation'' (novel), a 2012 novella by Dan Wells *

Isolation (poker) In poker, an isolation play is usually a raise designed to encourage one or more players to fold, specifically for the purpose of making the hand a one-on-one contest with a specific opponent. For example, if an opponent raises and a player suspe ...

, a play specifically for the purpose of making the hand a one-on-one contest with a specific opponent

Other uses

Isolation (health care) In health care facilities, isolation represents one of several measures that can be taken to implement in infection control: the prevention of communicable diseases from being transmitted from a patient to other patients, health care workers, ...

, various measures taken to prevent contagious diseases from being spread * Mount Isolation, New Hampshire, United States