periodical

定期刊行物、雑誌

毎週、毎月、年に数回など、決まった間隔で出る雑誌や出版物。

やさしい英語で： A magazine or other publication that comes out regularly, usually weekly, monthly, or a few times a year.

• The library keeps several periodicals.
• She writes for a monthly periodical about gardening.
• The latest issue of the periodical arrived yesterday.

類義語： magazine, journal

よく使う表現： monthly periodical, academic periodical, periodical collection

定期的な

決まった間隔で繰り返し起こったり現れたりする。

やさしい英語で： Happening or appearing again at regular times.

• The equipment needs periodical checks.
• Periodical visits helped them keep in touch.
• The agreement allows for periodical reviews of the rent.

類義語： periodic, regular, recurring

反対語： continuous

よく使う表現： periodical inspection, periodical review, periodical payments