| affinity | a natural attraction or feeling of kinship |
|---|---|
| affinity | inherent resemblance between persons or things |
| affinity | the force attracting atoms to each other and binding them together in a molecule |
| affinity | (immunology) the attraction between an antigen and an antibody |
| affinity | a close connection marked by community of interests or similarity in nature or character |
| affinity | (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts |
| affinity | kinship by marriage or adoption |