Shirabe

密閉みっぺい

Noun Irregular Transitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb shutting tightly;making airtight;sealing hermetically
この食品は密閉された容器に入れておけば一週間もつ。
This food will keep for a week in an airtight container.