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English definition of “event”

event

noun [C]  /ɪˈvent/ us  
anything that happens, esp. something important or unusual: sporting events a charity/fundraising event political/world events She later gave me her version of events. mathematics An event is also one particular group of outcomes (= results) among all possible outcomes when experimenting with probability (= the likelihood of something happening). An event is also one of a set of races or competitions: the women’s 200-meter event
(Definition of event from the Cambridge Academic Content Dictionary © Cambridge University Press)
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