Dependency, dependence, dependent or depend may refer to:

Computer science

Dependency (computer science) Dependency, dependence, dependent or depend may refer to: Computer science * Dependency (computer science) or coupling, a state in which one object uses a function of another object * Data dependency, which describes a dependence relation betw ...

or coupling, a state in which one object uses a function of another object *

Data dependency A data dependency in computer science is a situation in which a program statement (instruction) refers to the data of a preceding statement. In compiler theory, the technique used to discover data dependencies among statements (or instructions) i ...

, which describes a dependence relation between statements in a program *

Dependence analysis In compiler theory, dependence analysis produces execution-order constraints between statements/instructions. Broadly speaking, a statement ''S2'' depends on ''S1'' if ''S1'' must be executed before ''S2''. Broadly, there are two classes of depend ...

, in compiler theory * Dependency (UML), a relationship between one element in the Unified Modeling Language *

Dependency relation In computer science, in particular in concurrency theory, a dependency relation is a binary relation on a finite domain \Sigma, symmetric, and reflexive; i.e. a finite tolerance relation. That is, it is a finite set of ordered pairs D, such t ...

, a type of binary relation in mathematics and computer science. *

Functional dependency In relational database theory, a functional dependency is the following constraint between two attribute sets in a relation: Given a relation ''R'' and attribute sets ''X'',''Y'' \subseteq ''R'', ''X'' is said to functionally determine ''Y'' (wr ...

, a relationship between database attributes allowing normalization. *

Dependent type In computer science and logic, a dependent type is a type whose definition depends on a value. It is an overlapping feature of type theory and type systems. In intuitionistic type theory, dependent types are used to encode logic's quantifiers lik ...

, in computer science and logic, a type that depends on a value *

Hidden dependency Cognitive dimensions or cognitive dimensions of notations are design principles for notations, user interfaces and programming languages, described by researcher Thomas R.G. Green and further researched with Marian Petre. The dimensions can be ...

, a relation in which a change in many areas of a program produces unexpected side-effects * Library dependency, a relationship described in and managed by a software dependency manager tool to mitigate

dependency hell Dependency hell is a colloquial term for the frustration of some software users who have installed software packages which have dependencies on specific versions of other software packages. The dependency issue arises when several packages ha ...

Economics

Dependant A dependant (US spelling: dependent) is a person who relies on another as a primary source of income and usually assistance with activities of daily living. A common-law marriage, common-law spouse who is financially supported by their partner ...

(British English) (Dependent - American English), a person who depends on another as a primary source of income *

Dependency ratio The dependency ratio is an age-population ratio of those typically not in the labor force (the ''dependent'' part ages 0 to 14 and 65+) and those typically in the labor force (the ''productive'' part ages 15 to 64). It is used to measure the press ...

, in economics, the ratio of the economically dependent part of the economy to the productive part *

Dependency theory Dependency theory is the idea that resources flow from a " periphery" of poor and exploited states to a " core" of wealthy states, enriching the latter at the expense of the former. A central contention of dependency theory is that poor states ...

, an economic worldview that posits that resources flow from poor states to wealthy states

Linguistics

Dependent and independent verb forms In the Goidelic languages, dependent and independent verb forms are distinct verb forms; each tense of each verb exists in both forms. Verbs are often preceded by a particle which marks negation, or a question, or has some other force. The dependent ...

, distinct verb forms in Goidelic languages used with or without a preceding particle *

Dependency grammar Dependency grammar (DG) is a class of modern Grammar, grammatical theories that are all based on the dependency relation (as opposed to the ''constituency relation'' of Phrase structure grammar, phrase structure) and that can be traced back prima ...

is based on the ''dependency relation'' between the lexemes of a sentence *

Dependent clause A dependent clause, also known as a subordinate clause, subclause or embedded clause, is a certain type of clause that juxtaposes an independent clause within a complex sentence. For instance, in the sentence "I know Bette is a dolphin", the claus ...

Mathematics

, a type of binary relation in mathematics and computer science. *

Dependent and independent variables A variable is considered dependent if it depends on (or is hypothesized to depend on) an independent variable. Dependent variables are studied under the supposition or demand that they depend, by some law or rule (e.g., by a mathematical function ...

, in mathematics, the variable that depends on the independent variable * The absence of

independence (probability theory) Independence is a fundamental notion in probability theory, as in statistics and the theory of stochastic processes. Two event (probability theory), events are independent, statistically independent, or stochastically independent if, informally s ...

** Tail dependence, from probability theory ** Serial dependence, in statistics **

Correlation and dependence In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data. Although in the broadest sense, "correlation" may indicate any type of association, in statistics ...

** Mean dependence

Medicine and psychology

Codependence In psychology, codependency is a theory that attempts to explain imbalanced Interpersonal relationship, relationships where one person Enabling, enables another person's self-destructive behavior, such as addiction, poor mental health, Maturity ...

, a pattern of detrimental behavioral interactions within a dysfunctional relationship *

Dependency need Dependency need is "the vital, originally infantile needs for mothering, love, affection, shelter, protection, security, food, and warmth." (Segen, 1992) A dependency need is thought to be characterized by two components: (1) It is a real need o ...

, the real need of the organism, or something that individuals cannot provide for themselves *

Dependent personality disorder Dependent personality disorder (DPD) is a personality disorder characterized by a pervasive psychological dependence on other people. This personality disorder is a long-term condition in which people depend on others to meet their emotional ...

, a personality disorder characterized by a pervasive psychological dependence on other people *

Substance dependence Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has develop ...

, an adaptive state associated with a withdrawal syndrome upon cessation of repeated exposure to a stimulus (e.g., drug intake) **

Physical dependence Physical dependence is a physical condition caused by chronic use of a tolerance-forming drug, in which abrupt or gradual drug withdrawal causes unpleasant physical symptoms. Physical dependence can develop from low-dose therapeutic use of certa ...

, dependence that involves persistent physical–somatic withdrawal symptoms (e.g., fatigue and delirium tremens) **

Psychological dependence Psychological dependence is a cognitive disorder and a form of dependence that is characterized by emotional–motivational withdrawal symptoms upon cessation of prolonged drug use or certain repetitive behaviors. Consistent and frequent expos ...

, dependence that involves emotional–motivational withdrawal symptoms (e.g., dysphoria and anhedonia) **

Alcohol dependence Alcohol dependence is a previous (DSM-IV and ICD-10) psychiatric diagnosis in which an individual is physically or psychologically dependent upon alcohol (also chemically known as ethanol). In 2013, it was reclassified as alcohol use disorder ...

** Amphetamine dependence ** Barbiturate dependence **

Benzodiazepine dependence Benzodiazepine dependence (BZD dependence) defines a situation in which one has developed one or more of either tolerance, withdrawal symptoms, drug seeking behaviors, such as continued use despite harmful effects, and maladaptive pattern of su ...

** Caffeine dependence ** Cannabis dependence **

Cocaine dependence Cocaine dependence is a neurological disorder that is characterized by withdrawal symptoms upon cessation from cocaine use. It also often coincides with cocaine addiction which is a biopsychosocial disorder characterized by persistent use of c ...

Opioid dependence Opioid use disorder (OUD) is a substance use disorder characterized by cravings for opioids, continued use despite physical and/or psychological deterioration, increased tolerance with use, and withdrawal symptoms after discontinuing opioids. ...

** Tanning dependence

Political science

Dependent territory A dependent territory, dependent area, or dependency (sometimes referred as an external territory) is a territory that does not possess full political independence or sovereignty as a sovereign state and remains politically outside the controll ...

, a classification of territory, especially a region that is not a sovereign state but a possession of same **

Crown Dependencies The Crown Dependencies are three dependent territory, offshore island territories in the British Islands that are self-governing possessions of the The Crown, British Crown: the Bailiwick of Guernsey and the Jersey, Bailiwick of Jersey, both lo ...

, three specific dependencies of the United Kingdom: the Bailiwick of Guernsey, the Bailiwick of Jersey, and the Isle of Man **

Dependencies of Norway Norway has three dependent territory, dependent territories (), all uninhabited and located in the Southern Hemisphere. Bouvet Island (Bouvetøya) is a subantarctic, sub-Antarctic island in the Atlantic Ocean, South Atlantic Ocean. Queen Maud Lan ...

Ross Dependency The Ross Dependency is a region of Antarctica defined by a circular sector, sector originating at the South Pole, passing along longitudes 160th meridian east, 160° east to 150th meridian west, 150° west, and terminating at latitude 60th para ...

, New Zealand Antarctic claim

Music

* Dependent (record label), a German independent record label that focuses on aggrotech, electro-industrial and futurepop music * Dependent Music, an independent Canadian record label, owned and operated by the artists that were a part of the collective * Dependency (band), an American Christian hardcore band

Philosophy

* Dependent (origination), in Buddhism, the idea that the existence of everything is conditional and dependent on a cause, and that nothing happens fortuitously or by chance

Other uses

Depend (undergarment) Depend is a Kimberly-Clark brand of absorbent, disposable undergarments for people with urinary or fecal incontinence. It positions its products as an alternative to typical adult diapers. Depend is the dominant brand of disposable incontinence ...

, a brand of absorbent, disposable underwear for adults *

Dependency (project management) In a project network, a dependency is a link among a project's Work breakdown structure#Terminal element, terminal elements. The A Guide to the Project Management Body of Knowledge, A Guide to the Project Management Body of Knowledge (PMBOK Guide) ...

, a link amongst a project's terminal elements *

Dependency (religion) A dependency, among monastic orders, denotes the relation of a monastic community with a newer community that it has founded elsewhere. The relationship is that of the founding abbey or conventual priory, termed the motherhouse, with a monastery ...

, the relation of a monastic community with a newer community {{Disambiguation