| Periodical 1. (a.) Of or pertaining to a period or periods, or to division by periods. 2. (a.) Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun. 3. (a.) Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics. 4. (a.) of or pertaining to a period; constituting a complete sentence. 5. (n.) A magazine or other publication which appears at stated or regular intervals. Thesaurus Entries airing, almanac, alternate, annual, bandying, bimonthly, biweekly, book, broadcast, broadcasting, bruiting, bruiting about, circulation, daily, daybook, diary, diffusion, display, dissemination, ephemeris, evulgation, fortnightly, gazette, hebdomadal, isochronal, issuance, issue, journal, magazine, monthly, newsletter, newsmagazine, newspaper, organ, paper, pictorial, printing, promulgation, propagation, publication, publishing, quarterly, recurring, renew, review, serial, slick magazine, spread, spreading, spreading abroad, telecasting, trade magazine, ventilation, weekly, yearbook |