Affinity
nounverified·updated May 18, 2026
in biology, state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
Framework senses
- §1
- (immunology) the attraction between an antigen and an antibody
- §2
- a close connection marked by community of interests or similarity in nature or character
- §3
- in biology, state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
- §4
- (anthropology) kinship by marriage or adoption
- §5
- a natural attraction or feeling of kinship
- §6
- inherent resemblance between persons or things
- §7
- the force attracting atoms to each other and binding them together in a molecule