Hermetic

usgb/hɜːrˈmetɪk/
adjective

Completely airtight, no air or gas can come in or go out.

The jar was hermetically sealed to keep the contents fresh.
Visual representation of "hermetic" - Completely airtight, no air or gas can come in or go out.

Usage tips

Technical

Definition 1 of 3
Visual representation of "hermetic"
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Absolute Seal

The term emphasizes an absolute seal, without any leaks.

Illustration for Absolute Seal
The laboratory containers were hermetic to prevent contamination.
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Preservation Quality

Hermetic sealing is key for long-term storage of food or materials.

Illustration for Preservation Quality
Food companies use hermetic packaging to extend shelf life.
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Technical Context

It is often used in technical contexts like engineering or science.

Illustration for Technical Context
The spacecraft's compartments must be hermetic to protect the crew.
Visual representation of the word "Hermetic"

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