Definition of AFFINITY

affinity

Meanings

Plural: affinities

Noun

  • (immunology) the attraction between an antigen and an antibody
  • (anthropology) kinship by marriage or adoption; not a blood relationship
  • (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"
  • a close connection marked by community of interests or similarity in nature or character
    • "found a natural affinity with the immigrants"
  • the force attracting atoms to each other and binding them together in a molecule
    • "basic dyes have an affinity for wool and silk"
  • inherent resemblance between persons or things
  • a natural attraction or feeling of kinship
    • "an affinity for politics"
    • "the mysterious affinity between them"
    • "James's affinity with Sam"
  • A natural attraction or feeling of kinship to a person or thing.
  • A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister).
  • A kinsman or kinswoman of a such relationship; one who is affinal.
  • The fact of and manner in which something is related to another.
  • Any romantic relationship.
  • A love interest; a paramour.
  • Any passionate love for something.
  • Resemblances between biological populations, suggesting that they have a common origin, type or stock.
  • Structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
  • An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds.
  • The attraction between an antibody and an antigen
  • A tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses.
  • An automorphism of affine space.

Origin / Etymology

From Middle English affinite, from Old French affinité. Ostensibly equivalent to affine + -ity.

Synonyms

chemical attraction, kinship, phylogenetic relation

Antonyms

consanguinity

Scrabble Score: 17

affinity is a valid Scrabble (US) TWL word
affinity is a valid Scrabble Word in Merriam-Webster MW Dictionary
affinity is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 17

affinity is a valid Words With Friends word