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English definition of “ex officio”

ex officio

adjective, adverb uk   /ˌeks.əˈfɪʃ.i.əʊ/ us    /-oʊ/ formal
because of a person's position in a formal group: The cabinet will also attend the meeting ex-officio.Employment status and types of work
(Definition of ex officio from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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