serial publication - a periodical that appears at scheduled timesperiodical - a publication that appears at fixed intervals monthly - a periodical that is published every month bimonthly - a periodical that is published bimonthly quarterly - a periodical that is published every quarter weekly - a periodical that is published every week biweekly - a periodical that is published biweekly issue, number - one of a series published periodically; "she found an old issue of the magazine in her dentist's waitingroom" |