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

Sociology and psychology

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 **

Isolation ward In hospitals and other medical facilities, an isolation ward is a separate ward used to isolate patients with infectious diseases. Several wards for individual patients are usually placed together in an isolation unit. Design In an isolation un ...

, a separate ward used to isolate patients with infectious diseases *

Isolation (psychology) Isolation (german: Isolierung) is a defence mechanism in psychoanalytic theory first proposed by Sigmund Freud. While related to repression, the concept distinguishes itself in several ways. It is characterized as a mental process involving th ...

, a defense mechanism in psychoanalytic theory *

Emotional isolation Emotional isolation is a state of isolation where one may have a well-functioning social network but still feels emotionally separated from others. Population-based research indicates that one in five middle-aged and elderly men (50–80 years) ...

, a feeling of isolation despite a functioning social network *

Isolation effect The Von Restorff effect, also known as the "isolation effect", predicts that when multiple homogeneous stimuli are presented, the stimulus that differs from the rest is more likely to be remembered. The theory was coined by German psychiatrist and p ...

, 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.

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.John Huntington ''Show Networks and Control Systems: Formerly Control Systems for Live ...

, 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 m ...

, a system without any external exchange *

Isolating language An isolating language is a type of language with a morpheme per word ratio close to one, and with no inflectional morphology whatsoever. In the extreme case, each word contains a single morpheme. Examples of widely spoken isolating languages a ...

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

Isolation (database systems) In database systems, isolation determines how transaction integrity is visible to other users and systems. A lower isolation level increases the ability of many users to access the same data at the same time, but increases the number of concurre ...

, how and when the changes made by one operation become visible to other concurrent operations *

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, behaviors and physiological processes critical for speciation. They prevent members of different species from producing offspring, or ensure that any offspring ...

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 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 islands as well as for major mountain ...

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

Vibration isolation Vibration isolation is the process of isolating an object, such as a piece of equipment, from the source of vibrations. Vibration is undesirable in many domains, primarily engineered systems and habitable spaces, and methods have been developed to p ...

, in engineering, the process of isolating an object from the source of vibrations *In electronics, a measure of how well two ports are disconnected in devices such as directional couplers and

circulators A circulator is a passive, non-reciprocal three- or four-port device that only allows a microwave or radio-frequency signal to exit through the port directly after the one it entered. Optical circulators have similar behavior. Ports are where an ...

Entertainment

In film

* ''Isolation'' (2005 film), an Irish horror film * ''Isolation'' (2009 film), a British documentary film *''Isolation'' (2015 film), a drama film featuring Dominic Purcell, Stephen Lang, and

Tricia Helfer Tricia Janine Helfer (born April 11, 1974) is a Canadian-American actress and former model. She played the enigmatic Cylon model Number Six in the re-imagined ''Battlestar Galactica'' series (2004–2009). She also voiced Sarah Kerrigan in ''S ...

In television

* "Isolation" (''The Walking Dead''), an episode of the television series ''The Walking Dead''

In music

*"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 * Ins ...

'' * "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'' (Kali Uchis album), 2018 * "Isolation" (Kreator song), 1995 * ''Isolation'' (Toto album), 1984

Other

* Isolation (illusion), an illusion whereby a prop appears to float in space *

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