A fixed or specified period (a set term); the duration that has been determined in advance.
この保険は1年の定期契約です。
This insurance is a one-year fixed-term contract.
会員は定期ごとに料金を支払う必要がある。
Members need to pay fees at each fixed term.
保証は定期に更新される。
The warranty is renewed for a fixed period.
Regular; periodic; occurring at set intervals (often used as 'teiki no' + noun).
定期の点検を忘れずに行ってください。
Please make sure to carry out the regular inspections.
医師は患者に定期の検査を勧めた。
The doctor recommended periodic check-ups for the patient.
定期の会合は毎月第一金曜日に開かれる。
The regular meeting is held on the first Friday of every month.
Abbrev. for a fixed-term commuter pass (season ticket) that is valid for a specified period for commuting.
毎日電車で通うので、定期を買った。
I bought a commuter pass because I take the train every day.
定期が切れていることに気づいて、改札で止められた。
I was stopped at the ticket gate because my commuter pass had expired.
学生割引の定期は窓口で申し込んでください。
Please apply for a student-discount commuter pass at the ticket office.
Abbrev. for a fixed-term deposit (time deposit) at a bank; money deposited for a set period.
ボーナスを定期に預けておいた。
I put my bonus into a fixed-term deposit.
金利が高いので、定期で運用することにした。
Because the interest rate is high, I decided to invest in a time deposit.
A technical usage in finance referring to regular/future contracts or periodic trading arrangements.
市場で定期取引が活発になっている。
Periodic/futures trading has become active in the market.
この証券は定期の契約条件が複雑だ。
This security has complex terms for its periodic contracts.