一いっ定てい量りょう

noun

fixed amount; certain quantity

Refers to a predetermined, specific, or constant amount of something, often used in contexts like measurements, dosages, or quotas.

• この薬くすりは一いっ定てい量りょうを超こえて服ふく用ようしないでください。

  Do not take more than the fixed amount of this medicine.

• 毎まい日にち一いっ定てい量りょうの水みずを飲のむことが大たい切せつです。

  It is important to drink a certain amount of water every day.