Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “gas-permeable”


adjective     /ˌɡæsˈpɜː.mi.ə.bl̩/ US  /-ˈpɝː-/
used to describe contact lenses that allow gases to pass through them
(Definition of gas-permeable adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of gas-permeable

Word of the Day


a person or group who receives money, advantages, etc. as a result of something else

Word of the Day


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