- (immunology) the attraction between an antigen and an antibody
- (anthropology) kinship by marriage or adoption; not a blood relationship
- (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts; "in anatomical structure prehistoric man shows close affinity with modern humans"
- a close connection marked by community of interests or similarity in nature or character; "found a natural affinity with the immigrants"; "felt a deep kinship with the other students"; "anthropology's kinship with the humanities"
- the force attracting atoms to each other and binding them together in a molecule; "basic dyes have an affinity for wool and silk"
- inherent resemblance between persons or things
- The Johnny Alegre AFFINITY is a jazz group originating from the Philippines. It is led by self-taught Philippine guitarist-composer Johnny Alegre, together with bassist Colby de la Calzada, drummer Koko Bermejo, pianist Elhmir Saison and saxophonist Tots Tolentino. ...
- Affinity were an English jazz-rock fusion band, active from mid-1968 to January 1971.
- Affinity is an album by American jazz pianist Bill Evans, released in 1979.
- In Canon law of the Catholic Church, affinity is a relationship arising from the sexual intercourse of a man and a woman, sufficient for the generation of children, whereby the man becomes related to the woman's blood-relatives and the woman to the man's.
- In chemical physics and physical chemistry, chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds. ...
- Affinity describes itself as "a growing network of many hundreds of Bible-centred churches and Christian agencies throughout Britain and Ireland". ...
- (Affinities) The presence of an unguis on the dactylus of peraeopod I suggests that the species is more related to the Arcturus-like members of the genus rather than the Astacilla-like members, as the general body shape suggests.”
- the degree of liking or affection or lack of it. It is the feeling of love or liking for something or someone.
- Meaningful connection between a group of people and the offer being made to them.
- degree of liking or affection or lack of it. Affinity is a tolerance of distance. A great affinity would be a tolerance of or liking of close proximity. A lack of affinity would be an intolerance of or dislike of close proximity. Affinity is one of the components of understanding. See also ARC.
- (Gr. Syngeneia). The spiritual relationship existing between an individual and his spouse's relatives, or most especially between godparents and godchildren. The Orthodox Church considers affinity an impediment to marriage.
- Related by marriage; family relation from one's spouse's family.
- Natural attraction for, as salt for moisture.
- A measure of the binding constant of a single antigen combining site with a monovalent antigenic determinant.
- A mutual attraction or innate congeniality.
- The tendency of a molecule to associate with another. The affinity of a drug is its ability to bind to its biological target (receptor, enzyme, transport system, etc. ...
- Measurement of binding strength between two biological molecules.
- the binding strength of antibodies. The higher the affinity of an antibody, the lower the probability that the antibody binds (crossreacts) to other target antigens.
- ability of a substance to bind to a receptor; it is a measurement of the strength of the binding.