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English definition of “et al.”

et al.

uk   /etˈæl/ us  
abbreviation for et alia: and others. It is used in formal writing to avoid a long list of names of people who have written something together: The method is described in an article by Feynman et al.Also, extra, and in addition
(Definition of et al. from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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