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hermetically

American  
[hur-met-ik-lee] / hɜrˈmɛt ɪk li /

adverb

  1. so as to be airtight.

    hermetically sealed.


Etymology

Origin of hermetically

First recorded in 1595–1605; hermetic + -ally

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The shelters feature a main door that seals hermetically and a decontamination chamber where people can shower if they have been in a contaminated environment.

From Barron's • Mar. 12, 2026

How can you convince an audience with their phones hermetically sealed to their hands to put away their devices and care about this sprawling, capital-M movie playing in front of them?

From Salon • May 24, 2025

Yet, selected proteins can pass because the barrier is not hermetically sealed.

From Science Daily • Jan. 25, 2024

These Martian souvenirs safely rest inside hermetically sealed cylinders, either stored on board or dropped in strategic locations.

From Scientific American • Oct. 30, 2023

“Sounds like it’s either that, or put him into a hermetically sealed box for the next four or five years—I’m joking, I’m joking!”

From "The School for Whatnots" by Margaret Peterson Haddix