Relating to, resembling, or having the characteristics of a membrane. The membranous wings of the insect were delicate and translucent.
Thin, pliable, and often transparent, like a membrane. The membranous texture of the fabric made it ideal for lightweight clothing.
Of or relating to biological or pathological membranes, especially mucous membranes that line body cavities and organs. Membranous nephropathy involves the thickening of the glomerular basement membrane.