Wikipedia:
Affinity is a word used in a variety of fields, usually to indicate some kind of preference, relationship, or a potential or actual closeness between two entities.
Articles dealing with various usages of the word: affinity include:
Commerce and law
Affinity fraud, a type of scam targeting a specific demographicAffinity analysis, a market research and business management technique used to identify products likely to be bought together or the relationship of demand for a product to other external factors such as weather.Affinity marketing, a method of extending market reach by forming partnerships and cross-selling relationships.Affinity (law), kinship by marriage
Religion and conviction
Affinity (canon law), a kinship arising from the sexual intercourse of a man and a womanAffinity (Christian organisation), formerly known as the British Evangelical CouncilAffinity group - small protest or activist groups of 10-30 people
Science and technology
Affinity chromatographyAffinity electrophoresisAffinity laws, in hydraulics, used to express the relationship between variables involved in fan or pump performanceAffinity (mathematics) - an affine transformation (which preserves collinearity)Affinity (pharmacology) - in biochemistry, protein-ligand bindingAffinity (sociology) - shared interests and commitments between persons in groups, "willingness to associate"; see also interpersonal compatibility and friendliness.Affinity (taxonomy) - mainly in natural history - resemblance suggesting a common descent or typeElectron affinityProcessor affinity, a computing term for the assignment of a task to a given core of a multicore CPU.In chemistry, chemical affinity is the willingness of two or more elements or compounds to form a chemical or attractive bond of some type, and equally, as a term for the strength of that bond once formed.In philology, a type of resemblance between languages, suggesting that such languages stem from a common stock;In philosophy, shared or matching lines of thought, conclusions or objectives;In geology, minerals and formations where evidence suggests common origins and constitutions.in natural history, resemblances between biological communities (usually taxons) that suggest that they are of a common origin, type or stock.
Various other meanings, media, and games
Affinity (band), A Jazz/Rock band active in the late 60s and early 70sAffinity (Philippines band), a collective of Manila's premier jazz musiciansThe Leper Affinity, a song from Blackwater Park by OpethAffinity (Fire Emblem), the numerous bonuses units in the videogame Fire Emblem have from sharing support conversations with one another"Affinity" (Stargate SG-1), a season 8 episode of Stargate SG-1Affinity (novel), 1999 novel by Sarah WatersAffinity (film), a 2008 feature film based on Sarah Waters' novelElective Affinities - the concept of chemical affinities as a metaphor for human emotional affinitiesAffinity, an independent jazz record label formed in California in 1991See BMJ Group for Affinity (BMJ), a publishing partnership programme of the BMJ Publishing Group Ltd for independent journals
