SEMIPERMEABLE MEMBRANE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting body parts

Hypernyms ("semipermeable membrane" is a kind of...):

membrane; tissue layer (a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants)

Hyponyms (each of the following is a kind of "semipermeable membrane"):

cell membrane; cytomembrane; plasma membrane (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)

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