hermetically
Học thuậtThân thiện
Definition
Adverb 1. In an airtight manner; in a way that is completely sealed against the entry or escape of air or other substances. - This describes a seal that is so tight and secure that it prevents any passage of gases or liquids, often to preserve contents or create a vacuum.
Usage
The adverb "hermetically" is almost exclusively used to modify the past participle "sealed." It describes the method or result of a sealing process. - It is used in technical, scientific, and industrial contexts. - It emphasizes a seal of the highest quality, implying impermeability.
Examples
- General Usage:
- The sensitive electronic components are stored in a hermetically sealed container to protect them from moisture.
- For long-term storage, food is often packaged in hermetically sealed cans or jars.
- The laboratory samples must be kept hermetically sealed to prevent contamination.
Advanced Usage
- "hermetically sealed": This is the standard and primary collocation. It functions as a compound adjective.
- The spacecraft's cabin is a hermetically sealed environment to sustain life in space.
- The concept can be extended metaphorically to describe something isolated or closed off from external influences.
- The ancient sect lived a hermetically isolated existence, cut off from the modern world. (Note: This is a figurative extension; the core meaning remains physical sealing.)
Variants and Related Words
- Hermetic (adjective):
- Airtight: a hermetic seal.
- Relating to occult or alchemical traditions: hermetic philosophy.
- Insulated or isolated from external influences: a hermetic society.
- Hermeticism (noun): A philosophical and esoteric tradition based on writings attributed to Hermes Trismegistus.
Synonyms
- Airtightly (less common)
- Impermeably
- Tightly sealed
Antonyms
- Loosely
- Permeably
- Leakily
Notes
- The term originates from Hermes Trismegistus, a legendary figure associated with alchemy and magic, as such secrets were thought to be tightly "sealed" or hidden.
- In modern usage, it has lost its mystical connotations in technical contexts and strictly refers to a perfect physical seal.
Adverb
- in an airtight manner
- this bag is hermetically sealed