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ex of·fi·ci·o(ĕks′ ə-fĭsh′ē-ō′)
adv. & adj.
By virtue of office or position.
[Latin ex officiō : ex, from + officiō, ablative of officium, office.]
ex officio(ˈɛks əˈfɪʃɪəʊ; əˈfɪsɪəʊ)
by right of position or office. Abbreviation: ex off
ex of•fi•ci•o(ˈɛks əˈfɪʃ iˌoʊ)
by virtue of office or official position.
[1525–35; < Latin]
A Latin phrase meaning from the office, used to describe something said or done officially or by right of office or position.
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|Adj.||1.||ex officio - by virtue of an office or position; "the head of the department serves as an ex officio member of the board"|
official - having official authority or sanction; "official permission"; "an official representative"
|Adv.||1.||ex officio - by virtue of position; "the president sat on the committee ex officio"|