membrane
//ˈmem.breɪn//
Noun
membraneSingular
membranesPlural
1
A thin, flexible layer of tissue that covers, lines, or connects parts of an organism.
The membrane surrounding the cell protects it from harmful substances.
2
A thin sheet of material that acts as a barrier or filter, allowing certain substances to pass through while blocking others.
The water purification system uses a special membrane to filter out impurities.