/ ɪkˈspɒstʃuleɪt; NAmE ɪkˈspɑːs-/ verb
[ v , v speech ] ( formal ) to argue, disagree or protest about sth
► ex·pos·tu·la·tion / ɪkˌspɒstʃuˈleɪʃn; NAmE ɪkˌspɑːs-/ noun [ U , C ]
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WORD ORIGIN
mid 16th cent. (in the sense demand how or why, state a complaint ): from Latin expostulat- demanded, from the verb expostulare , from ex- out + postulare demand.