ns, kor-]
| 1. | communication by exchange of letters. |
| 2. | a letter or letters that pass between correspondents: It will take me all day to answer this business correspondence. |
| 3. | Also, correspondency. an instance of corresponding. |
| 4. | similarity or analogy. |
| 5. | agreement; conformity. |
| 6. | news, commentary, letters, etc., received from a newspaper or magazine correspondent. |
| 7. | Mathematics. function (def. 4a). |
n]
| 1. | the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role. |
| 2. | any ceremonious public or social gathering or occasion. |
| 3. | a factor related to or dependent upon other factors: Price is a function of supply and demand. |
| 4. | Mathematics.
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| 5. | Geometry.
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| 6. | Grammar.
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| 7. | Sociology. the contribution made by a sociocultural phenomenon to an ongoing social system. |
| 8. | to perform a specified action or activity; work; operate: The computer isn't functioning now. He rarely functions before noon. |
| 9. | to have or exercise a function; serve: In earlier English the present tense often functioned as a future. This orange crate can function as a chair. |

correspondence cor·re·spon·dence (kôr'ĭ-spŏn'dəns)
n.
A relationship between corresponding points on each retina such that stimulation produces a single image.
function func·tion (fŭngk'shən)
n.
The physiological property or the special action of an organ or a body part.
Something closely related to another thing and dependent on it for its existence, value, or significance, such as growth resulting from nutrition.
A mathematical variable so related to another that for each value assumed by one there is a value determined for the other.
A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set.
The general properties of a substance, depending on its chemical character and relation to other substances, that provide the basis upon which it may be grouped as among acids or bases.
A particular reactive grouping in a molecule.
function (fŭngk'shən) Pronunciation Key
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