Period
Term, Interval
noun
A period of time interval is still a period or interval of time.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
ビザの期間
visa duration
キャンペーンの期間
campaign period
一定の期間
a fixed period of time
試験期間
an exam period, a trial period
一定期間
a fixed period of time
入院期間
a period of hospitalization
期間中
during a period of time
期間内
within a period of time
期間終了
end of a time period
レンタル期間は十日間です。
The rental period is ten days.
今週はテスト期間中です。
This week is the test period.
このジーンズ、今なら期間限定で安いですよ。
This pair of jeans is cheap for a limited time now.