aikakausittaista

Aikakausittaista is a Finnish adjective form meaning periodical or published at regular intervals. It is the partitive singular form of aikakausittainen, used when describing content or publications that appear on a recurring schedule.

In practice, aikakausittaista is used in publishing, librarianship, and bibliographic contexts to distinguish periodical works from one-off or monographic publications. Examples include newspapers, magazines, and scholarly journals, which are typically produced in cycles such as daily, weekly, or monthly. Phrases like aikakausittaista julkaisua or aikakausittaista sisältöä are common.

Grammar and usage notes: The base form aikakausittainen is used in attributive position, e.g., aikakausittainen julkaisu. The form aikakausittaista is the partitive singular, used with indefinite quantities or with mass nouns. The plural nominative is aikakausittaiset.

Etymology and relation: The term derives from aikakausi (“period”) and the adjectival suffix -ttainen, forming a word meaning “periodical.” It is closely related to aikakauslehti (periodical magazine) and to other compound forms denoting recurring publications.

See also: aikakauslehti, julkaisu, periodical.