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debut

 
/ˈdeɪ·bju/, /deɪˈbju/ n [C usually sing]

Definition

a first public appearance or activity: Cassavetes made his film debut in “Taxi” in 1953. debut
 
/ˈdeɪ·bju/, /deɪˈbju/ v [I/T]
[T] I’ll be debuting this song next Saturday night.
(Definition of debut n from the Cambridge Academic Content Dictionary © Cambridge University Press)

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