permeable

From Wiktionary
Jump to navigation Jump to search

Adjective[change]

Positive
permeable

Comparative
none

Superlative
none

  1. A substance is permeable if it lets some gases or liquids to pass through it.
    Earthenware is a solid substance which is permeable to small amounts of water.
    Biological cell walls are semi-permeable because they let water and some gases pass through, but stop larger molecules.