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