What is the definition of "diffusion"?
Transport from high concentration zone to low concentration zone.
Diffusion is a transport phenomenon tend to cause movement of molecules, substances, etc. from regions of high concentrations to regions of low concentrations.
- Diffusion can be defined as the net downward movement of given substance like ions from higher concentration to an area of lower concentration.
- It can occur in any medium.
- The diffusing particle can be solid liquid or gas.
- The presence of semipermeable membrane is not required.