You searched for: “semipermeable
semipermeable (adjective), more semipermeable, most semipermeable
Partially or selectively penetrable: Such materials as membranes are semipermeable in that they allow certain liquids or gases to pass through, but not other substances.
This entry is located in the following units: -able (page 35) per- (page 13) semi- (page 3)
(Latin: a storeroom, a chamber, a closet; by extension, of or pertaining to a cell, a microscopic protoplasmic mass made up of a nucleus enclosed in a semipermeable membrane)