semipermeable

Describes a material or membrane that allows certain molecules or ions to pass through it while blocking others.

• 🇫🇷Se dit d'une membrane ou d'un matériau qui laisse passer certaines molécules ou ions tout en en bloquant d'autres.

1. Selectively permeable C1 formal scientific

   Describing a membrane that allows certain molecules or ions to pass through it by diffusion and occasionally specialized processes, while blocking others.

   • Cell membranes are semipermeable, allowing water and small molecules to pass while blocking larger ones.
   • The semipermeable membrane in the dialysis machine filters waste from the blood.
   • Osmosis occurs across a semipermeable membrane from a region of low solute concentration to high solute concentration.

   🇫🇷Semiperméable (membrane)

• more semipermeable comparative form
• most semipermeable superlative form