membrane

• Couche mince et flexible de tissu ou de matériau qui sépare, recouvre ou relie différentes parties d'un organisme ou d'une structure, servant souvent de barrière sélective.

A thin, flexible layer of tissue or material that separates, covers, or connects different parts of an organism or structure, often serving as a selective barrier.

1. Biological membraneB2formalscientific

   A thin, flexible layer of tissue that covers, lines, or separates cells or organs in living organisms.

   Membrane biologique

   • The cell membrane controls what enters and leaves the cell.
   • The mucous membrane lines the inside of the nose and mouth.
   • The membrane surrounding the heart is called the pericardium.

   Synonymesfilmlaminapellicle

2. Synthetic membraneC1formaltechnical

   A thin, pliable sheet or layer of synthetic material used for filtration, separation, or protection.

   Membrane synthétique

   • The water filter uses a semi-permeable membrane to remove impurities.
   • A rubber membrane was installed to waterproof the roof.
   • The engineers tested the strength of the plastic membrane under pressure.

   Synonymesfilmlayersheet