semipermeable
Kelime Anlamı :

1. seçici geçirgen.
2. yarıgeçirgen.
3. yarı geçirgen.
4. Yarı geçirgen, muayyen molekülleri geçirebilen.
5. Yarı geçirgenlik, yarı geçirgen olma hali.
Tanımlar :
1. partially permeable.
2. allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. used of biological and synthetic membranes.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. describing something that is permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks others substances.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. (of a membrane) selectively permeable
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.