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English definition of “on”

on

adverb (PERFORMING)    /ɒn/ US  /ɑːn/
C2 performing: Hurry up with the make-up - I'm on in ten minutes. The audience cheered as the band came on (= came onto the stage).Playing musicSinging in general Grammar:On, ontoOn and onto are prepositions.See more
(Definition of on adverb (PERFORMING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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