1. [ noun ] (immunology) the attraction between an antigen and an antibody
Related terms: attraction immunology
2. [ noun ] inherent resemblance between persons or things
Related terms: resemblance
3. [ noun ] (physics) the force attracting atoms to each other and binding them together in a molecule
Synonyms: chemical_attraction

: "basic dyes have an affinity for wool and silk"

Related terms: force
4. [ noun ] a close connection marked by community of interests or similarity in nature or character
Synonyms: kinship

: "found a natural affinity with the immigrants" "felt a deep kinship with the other students" "anthropology's kinship with the humanities"

Related terms: relation sympathy rapport
5. [ noun ] (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
Synonyms: phylogenetic_relation

: "in anatomical structure prehistoric man shows close affinity with modern humans"

Related terms: kinship biology
6. [ noun ] kinship by marriage or adoption; not a blood relationship
Synonyms: kinship_by_marriage
Related terms: consanguinity kinship steprelationship
7. [ noun ] a natural attraction or feeling of kinship

: "an affinity for politics" "the mysterious affinity between them" "James's affinity with Sam"

Related terms: attraction
Similar spelling:   affiant