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English definition of “relation”

relation

noun  /rɪˈleɪ·ʃən/ us  
connection or similarity: [U] There was little relation between the book and the movie. Relations are the connections between people, groups, organizations, or countries: [pl] diplomatic relations [pl] business/economic relations
[C] a person who is a member of the same family as another person: On our trip, we visited friends and relations on both sides of the family.
(Definition of relation from the Cambridge Academic Content Dictionary © Cambridge University Press)
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