- The definition of affinity is a strong connection or relationship between people or things.
- A married couple is an example of affinity.
- Siblings are an example of affinity.
- How a mountain biker feels about their bike is an example of affinity.
- relationship by marriage
- close relationship; connection
- similarity of structure, as of species or languages, implying common origin; family resemblance
- a natural liking or sympathy; esp., a mutual attraction between a man and a woman
- a person of the opposite sex who especially attracts one
- the attractive force, of varying strength for various elements, molecules, etc., that causes the atoms of certain elements to combine and stay combined
Origin of affinityMiddle English affinite ; from Old French afinite ; from Classical Latin affinitas ; from affinis, adjacent, related by marriage ; from ad-, to + finis, a border
- a. A natural attraction, liking, or feeling of kinship: a special affinity with animals; a cultural affinity for the automobile.b. A natural tendency or ability to use or do something: an affinity with languages; an affinity for making money.c. A natural compatibility of one thing with another: “the affinity of pork and shellfish” (Alison Arnett).
- Relationship by marriage: related by affinity to the wife.
- a. An inherent similarity between persons or things: “The genius of the Afro-Cubans lay in recognizing the affinity between swing-era jazz and their own tradition” (Gene Santoro).b. Biology A relationship or resemblance in structure between species that suggests a common origin.
- a. An attraction or force between particles or chemicals that causes them to combine.b. The degree to which particles or chemicals are likely to combine: Hemoglobin has a high affinity for oxygen. Also called avidity.
Origin of affinityMiddle English affinite, relationship by marriage, from Old French afinite, from Latin affīnitās, from affīnis, related by marriage; see affined. Usage Note: In the sense of “attraction,” affinity may be followed by of, between, or with. Thus one may speak of the close affinity of James and Samuel, or of the affinity between James and Samuel, or of James's affinity with Samuel. In its chemical use affinity is generally followed by for: a dye with an affinity for synthetic fabrics. • One might want to avoid using affinity as a simple synonym for liking since 62 percent of the Usage Panel in 1997 rejected the example Her affinity for living in California led her to reject a chance to return to New York. Nevertheless, the more sophisticated tone inherent in this use of the word can lend an archness to certain contexts, as when Barbara Tuchman writes of Kaiser Wilhelm's “affinity for coarse physical jokes practiced upon his courtiers.” This may be why 65 percent of the Usage Panel approved of this quotation when it was presented as an example.
- A natural attraction or feeling of kinship to a person or thing.
- A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity. (e.g. sister).
- A kinsman or kinswoman of such relationship. Affinal kinsman or kinswoman.
- The fact of and manner in which something is related to another.
- Any romantic relationship.
- Any passionate love for something.
- (taxonomy) resemblances between biological populations; resemblances that suggest that they are of a common origin, type or stock.
- (geology) structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
- (chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
- (medicine) The attraction between an antibody and an antigen
- (computing) tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses
- (geometry) An automorphism of affine space.
From Old French affinité.
affinity - Legal Definition
- A close agreement.
- The attraction between people.
- Any relationship created by marriage. See also consanguinity.
- A term used to describe the relationship that one has to the adopted or blood (and usually close) relatives of their spouse. For example, affinity exists between a woman and her husband’s brother.