'Affinity' definitions:

Definition of 'affinity'

From: WordNet
noun
(immunology) the attraction between an antigen and an antibody
noun
(anthropology) kinship by marriage or adoption; not a blood relationship [ant: blood kinship, cognation, consanguinity]
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" [syn: affinity, 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" [syn: affinity, kinship]
noun
The force attracting atoms to each other and binding them together in a molecule; "basic dyes have an affinity for wool and silk" [syn: affinity, chemical attraction]
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"

Definition of 'Affinity'

From: Easton
  • Affinity relationship by alliance (2 Chr. 18:1) or by marriage (1 Kings 3:1). Marriages are prohibited within certain degrees of affinity, enumerated Lev. 18:6-17. Consanguinity is relationship by blood.

Synonyms of 'affinity'

From: Moby Thesaurus