Airtight Meaning: Definition, Examples, and Translations

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airtight

[ˈɛərˌtaɪt ]

Definition

^{Context #1 | Adjective}

container

Sealed so that no air or liquid can get in or out.

Synonyms

hermetic, sealed, watertight.

Which Synonym Should You Choose?

Word	Description / Examples
airtight	Used when something needs to be completely free from air or gas exchange, common in food storage or scientific contexts. Make sure the container is airtight to keep the cookies fresh The laboratory equipment must be airtight to prevent contamination
sealed	A general term used to describe something that has been securely closed. This term can be used in a wide range of contexts, from packaging to legal documents. The envelope was sealed with a stamp Make sure the bag of chips is sealed to keep them crunchy
watertight	Specifically used when something needs to be impervious to water. Commonly used for boats, containers, and contracts to imply flawlessness. The watch is watertight and can be worn while swimming The contract is watertight and leaves no room for legal loopholes
hermetic	Often used in scientific or technical contexts to imply an extremely tight seal. It can also be used metaphorically to describe something that is completely closed off from external influence. The hermetic seal on the jar ensures that no bacteria can enter His hermetic lifestyle makes it hard for anyone to get to know him

Examples of usage

The food was stored in an airtight container to keep it fresh.
The airtight seal on the window prevented any drafts from coming in.
The airtight packaging ensured the product stayed safe during transportation.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Science

Airtight systems are crucial in labs for experiments that require controlled environments free of air contamination.
Creating an airtight seal is essential in food preservation techniques, such as vacuum sealing, which extends shelf life.

Engineering

In construction, airtight buildings are sought after to improve energy efficiency and reduce heating and cooling costs.
Innovations in materials science have enabled the creation of airtight seals in modern packaging to ensure longevity and safety.

Pop Culture

The term 'airtight' is often used metaphorically in discussions about arguments or plans, indicating something well-structured and convincing.
The concept appears in movies, often referring to secure containers for dangerous materials or secrets, heightening tension in the plot.

Psychology

Airtight arguments or reasoning can lead to more persuasive communication, as they leave little room for doubt or counter-arguments.
In cognitive behavioral therapy, creating an 'airtight' mindset helps individuals to know their thoughts are valid while addressing irrational beliefs.

Origin of 'airtight'

Main points about word origin

The term comes from combining 'air' and 'tight', meaning sealed so that no air can pass through.
It first appeared in the English language in the early 19th century, reflecting advancements in technology related to packaging and storage.

The term 'airtight' dates back to the early 19th century, combining the words 'air' and 'tight' to describe something that is completely sealed off from the outside air. The concept of airtight containers and seals has been important throughout history, especially for preserving food and preventing contamination. Airtight technology has evolved over time, with advancements in materials and design to create better seals and containers.