Affinity may refer to:

Commerce, finance and law

* Affinity (law), kinship by marriage *

Affinity analysis Affinity analysis falls under the umbrella term of data mining which uncovers meaningful correlations between different entities according to their co-occurrence in a data set. In almost all systems and processes, the application of affinity anal ...

, a market research and business management technique *

Affinity Credit Union Affinity Credit Union is a financial institution headquartered in Saskatoon, Saskatchewan, Canada, with headquarters in the city of Saskatoon. As of August 2019, Affinity operates 56 branches in 47 communities across Saskatchewan. It is the seco ...

, a Saskatchewan-based credit union * Affinity Equity Partners, an Asian private equity firm *

Affinity fraud Affinity fraud is a form of investment fraud in which the fraudster preys upon members of identifiable groups, such as religious or ethnic communities, language minorities, the elderly, or professional groups. The fraudsters who promote affinity ...

, a type of scam targeting a specific demographic * Affinity marketing, a method of extending market reach by forming partnerships and cross-selling relationships

Religion and belief

Affinity (canon law) In Catholic canon law, affinity is an impediment to marriage of a couple due to the relationship which either party has as a result of a kinship relationship created by another marriage or as a result of extramarital intercourse. The relationship ...

, a kinship arising from the sexual intercourse of a man and a woman *

Affinity (Christian organisation) Affinity is a network of conservative evangelical churches and Christian agencies throughout Britain and Ireland. It was founded in 1953 as the British Evangelical Council and in 1981 numbered over 2,000 churches.Affinity group, a private, non-commercial and non-governmental organisation formed around a shared interest or goal

Science and technology

* ''Affinity'', the UK's first road-legal solar car, built by

Cambridge University Eco Racing Cambridge University Eco Racing (CUER) is one of UK's solar car racing teams. A team of 60 Cambridge students designs, builds and races Solar power, solar-powered vehicles. Founded in 2007, their first prototype vehicle, ''Affinity'', became th ...

* Affinity (mathematics), an affine transformation preserving collinearity *

Affinity (pharmacology) In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose. The etymology stems from ''ligare'', which means 'to bind'. In protein-ligand binding, the ligand is usually a mo ...

, a characterisation of protein-ligand binding strength *

Affinity (sociology) Affinity in terms of sociology, refers to "kinship of spirit", interest and other interpersonal commonalities. Affinity is characterized by high levels of intimacy and sharing, usually in close groups, also known as affinity groups. It differs f ...

, a shared interest and commitment between persons in groups and/or willingness to associate * Affinity (taxonomy), a suggestion of common descent or type * Affinity chromatography, method of separating a biomolecule from a mixture * Affinity electrophoresis, general name for many analytical methods used in biochemistry and biotechnology *

Affinity laws The affinity laws (also known as the "Fan Laws" or "Pump Laws") for pumps/fans are used in hydraulics, hydronics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, sha ...

, laws used in hydraulics to express relationships between variables involved in fan or pump performance *

Binding affinity In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose. The etymology stems from ''ligare'', which means 'to bind'. In protein-ligand binding, the ligand is usually a mol ...

, a measure of the interaction of ligands with their binding sites * Chemical affinity, used to describe or characterise elements' or compounds' readiness to form bonds *

Electron affinity The electron affinity (''E''ea) of an atom or molecule is defined as the amount of energy released when an electron attaches to a neutral atom or molecule in the gaseous state to form an anion. ::X(g) + e− → X−(g) + energy Note that this is ...

, energy released on formation of anions *

Processor affinity Processor affinity, or CPU pinning or "cache affinity", enables the binding and unbinding of a process or a thread to a central processing unit (CPU) or a range of CPUs, so that the process or thread will execute only on the designated CPU or CPU ...

, a computing term for the assignment of a task to a given core of a multicore CPU * Serif Europe's Affinity series of programs ** Affinity Designer, a vector illustration editor **

Affinity Photo Affinity Photo is a raster graphics editor developed by Serif Ltd. for iOS, macOS, and Windows, alongside Affinity Designer and Affinity Publisher. Development of Affinity Photo started in 2009 as a raster graphics editor for macOS. Its first ver ...

, a raster graphics editor ** Affinity Publisher, a desktop publishing application

Media-related

Music

Affinity (band) Affinity were an English jazz-rock band, active from mid-1968 to January 1972. History Origins The origin of Affinity was circa 1965 in the science department of the University of Sussex in Brighton, England. Three science students Lynton Naiff ...

, a jazz/rock band ** ''Affinity'' (Affinity album) * ''Affinity'' (Bill Evans album) * ''Affinity'' (Haken album) * ''Affinity'' (Oscar Peterson album) * ''Affinity'' (EP), a 2013 EP by the English band Press to Meco * Johnny Alegre A, a jazz collective based in Manila

Other media

* ''Affinity'' (novel), a 1999 novel by Sarah Waters ** ''Affinity'' (film), a 2008 feature film based on the novel * "Affinity" (''Stargate SG-1''), an episode from season 8 of the TV sci-fi spin-off series ''Stargate SG-1'' * '' Elective Affinities'', a novel by Goethe

Other uses

* Affinity (medieval), late medieval retainers of a monarch in "bastard feudalism" *

Affinity, West Virginia Affinity is an unincorporated community in Raleigh County, West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographe ...