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English definition of “debut”

debut

noun [C]     /ˈdeɪ.bju/
C1 the occasion when someone performs or presents something to the public for the first time: She made her professional stage debut in Swan Lake. He started as an actor, making his debut as a director in 1990. her debut (= first) albumFirst and firstlyActing, rehearsing and performing
(Definition of debut noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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