hermetically
hermetically — adverb
1. Describes a seal or closure so tight that no air, gas, or liquid can enter or es
Describes a seal or closure so tight that no air, gas, or liquid can enter or escape.
The lab stored the blood samples in hermetically sealed glass tubes to prevent contamination.
hermetically sealed + concrete container
Apinya packed the dried herbs in hermetically sealed jars to keep them fresh all winter.
The spacecraft’s hermetically sealed cabin protected the astronauts from the vacuum of space.
Valentina opened a hermetically sealed can of tuna for the hungry cat.
The biscuits stayed fresh for months because they were stored in a hermetically sealed tin.
- airtightly
more common in everyday speech; less formal, but interchangeable in literal contexts
- tightly sealed
describes the result rather than the manner; less precise because 'tightly' doesn’t guarantee impermeability
文法句型
hermetically + past participle (sealed / closed)
用法筆記
Almost always modifies past participles, most commonly ‘sealed’ — ‘hermetically sealed’ is by far the dominant collocation. Standalone use of the adverb without ‘sealed’ or ‘closed’ is rare.
常見錯誤
2. Said of a group or individual that stays completely cut off from the wider world
Said of a group or individual that stays completely cut off from the wider world, with little to no communication with outsiders.
The mountain monastery existed hermetically, with monks rarely receiving visitors from nearby villages.
hermetically + verb of existing; applied to a group
Jabari spent two years living hermetically in a remote woodland cabin, finishing his first novel.
The religious sect had operated hermetically on the isolated island for more than a century.
Some painters choose to work hermetically, declining every offer to exhibit or collaborate.
- reclusively
more specific to individuals avoiding social contact; slightly less common
- in seclusion
adverbial phrase; often suggests a deliberate, temporary withdrawal for privacy or focus
- in isolation
broader; can be involuntary (as in quarantine) or voluntary
文法句型
hermetically + verb of living (live / exist / work)
用法筆記
Frequently describes communities, religious groups, or individuals who deliberately avoid outside contact. The meaning is figurative and derives from the literal airtight sense of ‘hermetically sealed’.