correspondence
Letters or emails that people send to each other, especially over some time.
Written or electronic communication exchanged between people or organizations, especially letters or emails sent over a period of time.
A close similarity or match between things.
A close similarity, connection, or exact match between two or more things.
In mathematics, a rule or relation that matches items in one group with items in another group.
In mathematics or logic, a specific relation that pairs each element of one set with one or more elements of another set, often with rules about how the pairing works.
The state of being in agreement or in line with something, like facts or rules.
The state of being in agreement, conformity, or harmony with something, such as facts, rules, or a standard.
- Base: correspondence
- Plural: correspondence, correspondences
business correspondence
1work-related letters or emails
Letters and emails that are related to work, trade, or professional matters.
- All business correspondence should be archived for at least five years.
- She handles the company’s business correspondence with foreign clients.
- Please send any business correspondence to our office address.
correspondence course
1distance-learning course by mail/online
A course of study that you do from home, sending and receiving lessons and assignments by mail or online instead of going to a school in person.
- He completed a bookkeeping qualification through a correspondence course.
- Many universities offer correspondence courses for working adults.
- She is taking a correspondence course in creative writing.
enter into correspondence
1begin writing letters or emails
To start sending and receiving letters or emails with someone, usually in a formal way.
- The two scientists entered into correspondence after reading each other’s papers.
- We entered into correspondence with the supplier to negotiate better terms.
- She entered into correspondence with a famous author she admired.
in correspondence with
1in agreement with something
In a state that matches or agrees with something, like facts, rules, or another set of numbers.
- The new regulations must be in correspondence with international law.
- Her description is in correspondence with the photographs.
- We checked that the data was in correspondence with the previous year’s report.
keep up a correspondence
1continue writing to someone
To continue sending and receiving letters or emails with someone over a period of time.
- They kept up a correspondence for many years after college.
- I try to keep up a correspondence with my old piano teacher.
- Despite their busy lives, the two friends kept up a regular correspondence.
one-to-one correspondence
1bijective mathematical relation
In mathematics, a special matching where each element in one set is paired with exactly one element in another set, and each element in the second set is paired with exactly one in the first.
- There is a one-to-one correspondence between binary strings and these integers.
- The proof shows a one-to-one correspondence between the solutions of the two equations.
- We can establish a one-to-one correspondence between the students and their ID numbers.