semipermeable membrane 1
noundomain: body part
Princeton WordNet [ver.3.1]
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EnglishDefinition
a membrane (as a cell membrane) that allows some molecules to pass through but not others
Hypernym
membrane 2
noun
a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
EnglishHyponym
cell membrane 1
noun
a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
