How do you spell Periodical
Available Definitions:
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.
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