Affinity meaning

ə-fĭnĭ-tē
Frequency:
Close relationship; connection.
noun
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Relationship by marriage.

Related by affinity to the wife.

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Relationship by marriage.
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A natural liking or sympathy; esp., a mutual attraction between a man and a woman.
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A person of the opposite sex who especially attracts one.
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A close agreement.
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Similarity of structure, as of species or languages, implying common origin; family resemblance.
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The attractive force, of varying strength for various elements, molecules, etc., that causes the atoms of certain elements to combine and stay combined.
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An attraction or force between particles or chemicals that causes them to combine.
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The degree to which particles or chemicals are likely to combine.

Hemoglobin has a high affinity for oxygen.

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A relationship or resemblance in structure between species that suggests a common origin.
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An attraction or force between particles that causes them to combine, as the attraction between an antigen and an antibody.
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The attraction between people.
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Any relationship created by marriage. See also consanguinity.
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A term used to describe the relationship that one has to the adopted or blood (and usually close) relatives of their spouse. For example, affinity exists between a woman and her husband’s brother.
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A natural attraction or feeling of kinship to a person or thing.
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A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity. (e.g. sister).
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A kinsman or kinswoman of such relationship. Affinal kinsman or kinswoman.
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The fact of and manner in which something is related to another.
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Any romantic relationship.
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Any passionate love for something.
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(taxonomy) Resemblances between biological populations; resemblances that suggest that they are of a common origin, type or stock.
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(geology) Structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
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(chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds.
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(medicine) The attraction between an antibody and an antigen.
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(computing) Tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses.
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(geometry) An automorphism of affine space.
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The definition of affinity is a strong connection or relationship between people or things.

A married couple is an example of affinity.

Siblings are an example of affinity.

How a mountain biker feels about their bike is an example of affinity.

noun
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Origin of affinity

  • Middle English affinite relationship by marriage from Old French afinite from Latin affīnitās from affīnis related by marriage affined

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French affinité.

    From Wiktionary