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Affinity Definition


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Other Affinity Definition

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

Misc. Definitions

\Af*fin"i*ty\, n.; pl. {Affinities}. [OF. afinit['e], F. affinit['e], L. affinites, fr. affinis. See {Affined}.]
1. Relationship by marriage (as between a husband and his wife's blood relations, or between a wife and her husband's blood relations); -- in contradistinction to consanguinity, or relationship by blood; -- followed by with, to, or between. Solomon made affinity with Pharaoh. --1 Kings iii.
1.
2. Kinship generally; close agreement; relation; conformity; resemblance; connection; as, the affinity of sounds, of colors, or of languages. There is a close affinity between imposture and credulity. --Sir G. C. Lewis.
2. Companionship; acquaintance. [Obs.] About forty years past, I began a happy affinity with William Cranmer. --Burton.
4. (Chem.) That attraction which takes place, at an insensible distance, between the heterogeneous particles of bodies, and unites them to form chemical compounds; chemism; chemical or elective affinity or attraction.
5. (Nat. Hist.) A relation between species or highe? groups dependent on resemblance in the whole plan of structure, and indicating community of origin.
6. (Spiritualism) A superior spiritual relationship or attraction held to exist sometimes between persons, esp. persons of the opposite sex; also, the man or woman who exerts such psychical or spiritual attraction.

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