thin membrane
- filmMovie or coating
- skinBody's outer layer
- layerSingle thickness of material
- tissueDisposable soft paper
- delicateEasily broken or harmed
translucent · sheer · gossamer · veil · diaphragm · cell · porous · fragile · stretched · taut · permeable · surface · barrier · covering · eardrum · amnion · cellophane · gauze
permeability
thin membranewatertight seal
Joint that blocks moisture
hermetic seal · airtight seal · fortified wall · armor plating · closed system