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