membrane
membrane /ˈmem.breɪn/ noun [C or U] SPECIALIZED
1 F0 a thin piece of skin that covers or connects parts of a person's or animal's body: » The cornea is the transparent membrane that covers the front of the eye.Thesaurus+: ↑Substances and structures in the body2 F0 a very thin piece of material that covers an opening Thesaurus+: ↑Coverings and layers3 F0 the outer covering of a cell: » a cell membraneThesaurus+: ↑Cells |