correspondence

n. exchange of letters; agreement; similarity

Correspondence may refer to:Correspondence (theology), the relationship between spiritual and physical realitiesCorrespondence (mathematics), several related meaningsCorrespondence (computer vision), finding depth information in stereography (see Correspondence problem)"(regular) sound correspondence", a linguistics term (see Comparative method)"Correspondence", the communication, usually written, between two or more peopleCorrespondence theory of truth, a theory in epistemologyCorrespondence rules in quantum mechanicsCorrespondence principle in Physics, that theories must agree with experimental evidence.
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(n.)
The letters which pass between correspondents.
  

(n.)
Mutual adaptation, relation, or agreement, of one thing to another; agreement; congruity; fitness; relation.
  

(n.)
Friendly intercourse; reciprocal exchange of civilities; especially, intercourse between persons by means of letters.
  

Noun
1. communication by the exchange of letters
(hypernym) written communication, written language
(hyponym) card
(part-meronym) letter, missive
(derivation) correspond
2. compatibility of observations; "there was no agreement between theory and measurement"; "the results of two tests were in correspondence"
(synonym) agreement
(hypernym) compatibility
(hyponym) conformity, conformance
(derivation) match, fit, correspond, check, jibe, gibe, tally, agree
3. the relation of correspondence in degree or size or amount
(synonym) commensurateness, proportionateness
(hypernym) proportion, proportionality
4. a function such that for every element of one set there is a unique element of another set
(synonym) mapping, map
(hypernym) function, mathematical function
(hyponym) isometry
5. communication by exchange of letters
(hypernym) first class, 1st class, first-class mail, 1st-class mail, priority mail
(derivation) correspond
6. (mathematics) an attribute of a shape or relation; exact correspondence of form on opposite sides of a dividing line or plane
(synonym) symmetry, symmetricalness, balance
(hypernym) spatial property, spatiality
(hyponym) regularity, geometrical regularity
(classification) mathematics, math, maths
7. similarity by virtue of correspondence
(synonym) parallelism
(hypernym) similarity