affinity has definitions from the fields of physics,immunology,biology
1
[ noun ] (immunology) the attraction between an antigen and an antibody

Used in print

(Jacob Robbins et al., "The thyroid-stimulating...)

It has been suggested that the plasma thyroxine binding proteins , which have an extremely high affinity for thyroxine , compete with thyroglobulin for thyroxine ( Ingbar and Freinkel , 1957 ) .

Related terms

attraction immunology

2
[ noun ] inherent resemblance between persons or things

Related terms

resemblance

3
[ noun ] (physics) the force attracting atoms to each other and binding them together in a molecule

Examples

: "basic dyes have an affinity for wool and silk"

Related terms

force

4
[ noun ] a close connection marked by community of interests or similarity in nature or character

Synonyms

kinship

Examples

: "found a natural affinity with the immigrants" "felt a deep kinship with the other students" "anthropology's kinship with the humanities"

Related terms

relation sympathy rapport

5
[ noun ] (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

Examples

: "in anatomical structure prehistoric man shows close affinity with modern humans"

Related terms

kinship biology

6
[ noun ] kinship by marriage or adoption; not a blood relationship
7
[ noun ] a natural attraction or feeling of kinship

Examples

: "an affinity for politics" "the mysterious affinity between them" "James's affinity with Sam"

Related terms

attraction

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