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English definition of “twin”

twin

adjective [before noun]     /twɪn/
used to describe two similar things that are a pair : twin towers a car with twin exhausts Similar and the sameDescribing people with the same qualities existing at the same time : his twin obsessions - women and cars Relating to time
(Definition of twin adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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