Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

hermetically sealed

adjective
 
 
/hɜːˌmet.ɪ.kliˈsiːld/ US  /hɚˌmet̬-/

Definition

specialized describes a container or space that is so tightly closed that no air can leave or enter itOpen and closed disapproving separated and protected from very different conditions outside, in an unnatural way: We drove past a row of squalid shacks on the way to our hotel, where we slept in air-conditioned, hermetically sealed rooms.Separateness and isolation in spaceAlone
(Definition of hermetically sealed adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

rain on sb's parade

to do something that spoils someone's plans

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More