Definition

Completely sealed off from outside air or influence, often used to describe something that is airtight or isolated.

Example

The jar was hermetic, ensuring that no air could enter and spoil the contents.

Conversation

Have you ever heard of hermetic seals in science?

Yeah, I think they are used to keep things completely airtight.

Exactly! It's fascinating how they can keep everything inside without any leaks.

Right? It’s like a tiny world sealed off from everything else.

Synonyms & Antonyms

Root Explanation

Hermetic → It is derived from 'Hermes' (the Greek god associated with communication and boundaries) and the suffix '-tic' (meaning pertaining to). The term originally referred to the writings attributed to Hermes Trismegistus, which were believed to be secretive or closed off, hence the meaning of being sealed or airtight.

Memory Tip

Think of Hermes, the god of communication, and remember that 'hermetic' refers to something that is sealed off or closed, like a secret.

Visually Confused Words