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English definition of “gas-permeable”

gas-permeable

adjective uk   /ˌɡæsˈpɜː.mi.ə.bl̩/ us    /-ˈpɝː-/
used to describe contact lenses that allow gases to pass through them
(Definition of gas-permeable from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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