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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

"They all need feeding, they're not totally hermetically sealed off from the world," says Stephen Bullivant, professor of theology and the sociology of religion at St Mary's University, Twickenham.

From BBC • May 1, 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

The world had become a hermetically sealed cattle car.

From "Night" by Elie Wiesel