Relation definition

rĭ-lāshən
Frequency:
The connection of people by blood or marriage; kinship.
noun
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Relation is the connection between people and things, or the way in which two or more different groups feel about each other or someone who is part of your family as a result of blood or marriage.

An example of a relation is the connection between fantasy and reality.

An example of relation is hostility between two countries who are at war.

An example of a relation is your aunt, uncle, cousin or mother.

noun
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Sexual intercourse.
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What is narrated or told; account; recital.
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Connection or manner of being connected or related, as in thought, meaning, etc.
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The connections or dealings between or among groups, peoples, nations, states, etc.

Foreign and trade relations.

noun
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A logical or natural association between two or more things; relevance of one to another; connection.

The relation between smoking and heart disease.

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A person connected to another by blood or marriage; a relative.
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Connection of persons by blood, marriage, etc.; kinship.
noun
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(mathematics) A correspondence between two sets, consisting of a set of ordered pairs, the first element of each of which is from the first set, and the second element of each of which is from the second set. If A = {1,2} and B = {3,4}, then {(1,3), (1,4)} is a relation from A to B .
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(law) The principle by which an action done on a certain date is treated as having been done on an earlier date.
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The mutual dealings or connections of persons, groups, or nations in social, business, or diplomatic matters.

International relations.

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The act of telling or narrating.
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A narrative; an account.
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A narrating, recounting, or telling.
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A person connected with another or others by blood, marriage, etc.; member of the same family; relative.
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The connections or dealings between or among persons in business or private affairs.
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Sexual intercourse.
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The statement of a relator at whose complaint an action is begun.
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The referring of an act or proceeding to a time before its completion or enactment, as the time of its taking effect.
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A logical or natural association between two or more things.
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The connection of people by blood or marriage; kinship.
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A person connected to another by blood or marriage; a relative.
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The positional relationship of the teeth or other structures in the mouth.
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The manner in which two things may be associated.

The relation between diet and health is complex.

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A member of one's family.

Yes, he's a relation of mine, but a only distant one.

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The act of relating a story.

Your relation of the events is different from mine.

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(set theory) A set of ordered tuples.
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(set theory) Specifically, a set of ordered pairs.

Equality is a symmetric relation, while divisibility is not.

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(databases) A set of ordered tuples retrievable by a relational database; a table.

This relation uses the customer's social security number as a key.

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(mathematics) A statement of equality of two products of generators, used in the presentation of a group.
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(usually collocated: sexual relations) The act of intercourse.
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The way in which one person or thing is connected with another.

The relation of parent to child.

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in relation to
  • In reference to; in connection with:
    This letter from the bank is in relation to your mortgage.
idiom
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in relation to
  • concerning; regarding; in reference to
idiom
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Other Word Forms

Noun

Singular:
relation
Plural:
relations

Idioms and Phrasal Verbs

Origin of relation

  • From Anglo-Norman relacioun, from Old French relacion (cognate to French relation), from Latin relationem, accusative of relatio, noun of process form from perfect passive participle relatus (“related"), from verb referre (“to refer, to relate"), from prefix re- (“again") + ferre (“to bear, to carry")

    From Wiktionary