hermetically

American  

[hur-met-ik-lee] / hɜrˈmɛt ɪk li /

adverb

1. so as to be airtight.

   hermetically sealed.

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Etymology

Origin of hermetically

First recorded in 1595–1605; hermetic + -ally

Example Sentences

See Examples For:

hermetically

It can take years to build special equipment, such as pressure vessels, steam generators and reactor coolant pumps, the 170 metric ton hermetically sealed systems that move water through the reactor core.

From The Wall Street Journal ● Jun. 23, 2026

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

Czaja is hopeful funding will be approved for the anticipated Mars Sample Return mission to retrieve the hermetically sealed titanium tubes scientists have spent three years filling with interesting rock cores.

From Science Daily ● Feb. 22, 2024

“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