semipermeable membrane

1. 1.

   a membrane (as a cell membrane) that allows some molecules to pass through but not others

   Broadermembrane

   Narrowercell membrane

Questions about semipermeable membrane

What does semipermeable membrane mean?

semipermeable membrane means "a membrane (as a cell membrane) that allows some molecules to pass through but not others".

Is semipermeable membrane a common word?

semipermeable membrane is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.