• a natural attraction or feeling of kinship; "an Affinity for politics"; "the mysterious Affinity between them"; "James''s Affinity with Sam"
• inherent resemblance between persons or things
• the force attracting atoms to each other and binding them together in a molecule; "basic dyes have an Affinity for wool and silk"
• (immunology) the attraction between an antigen and an antibody
• 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"
• (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"
• kinship by marriage or adoption; not a blood relationship

'Affinity' in other languages