密閉 みっぺい shutting tightly #22,296 Meanings noun, takes する, transitive shutting tightly; making airtight; sealing hermetically Its kanji 密 ミツ · ひそ.か secrecy, density (pop), minuteness, carefulness 閉 ヘイ · と.じる、と.ざす、し.める、し.まる、た.てる closed, shut In sentences Furigana こちらの容器ようきは密閉みっぺい式しきです。 These containers are airtight. #9229964