periodical Syllabification: (pe·ri·od·i·cal)Pronunciation: /ˌpi(ə)rēˈädikəl/Translate periodical | into French | into German | into Italian | into Spanish Definition of periodical noun a magazine or newspaper published at regular intervals. adjective [attributive] occurring or appearing at intervals; occasional:she took periodical gulps of her tea (of a magazine or newspaper) published at regular intervals:a periodical newsletterDerivatives periodically adverb periodical in other Oxford dictionaries Definition of periodical in the British & World English dictionary
