气密

Traditional form:

氣密

Pinyin (reading):

qìmì

Definitions:

• airtight

Characters:

• 气 - air, gas; steam, vapor; anger
• 密 - secret, confidential; intimate, close; dense, thick

Traditional characters:

• 氣 - air, gas; steam, vapor; anger
• 密 - secret, confidential; intimate, close; dense, thick