密みっ閉ぺい

noun, noun or participle which takes 'suru', transitive verb

seal tightly; make airtight; hermetically seal

Used for containers, packages, rooms, or systems that are closed so that air, gas, or liquid cannot enter or escape. Often appears as 密閉する or 密閉された.

• 食しょく品ひんは密みっ閉ぺい容よう器きに入いれて保ほ存ぞんしてください。

  Please store the food in an airtight container.

• 窓まどを密みっ閉ぺいし