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  1. Diffusion - Wikipedia

    Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in …

  2. Diffusion | Definition & Examples | Britannica

    Mar 10, 2026 · Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. A familiar example is …

  3. Diffusion: Definition and How Does it Occur (with Diagram)

    Nov 21, 2023 · Learn what is diffusion and what factors affect it. Find out when it occurs, its types and characteristics explained with examples and picture.

  4. What Is the Diffusion Process and How Does It Work?

    Nov 19, 2025 · Diffusion is a fundamental process describing the net movement of atoms or molecules from an area of higher concentration to an area of lower concentration. This passive movement …

  5. Diffusion - Definition, Types, Causes, Factors, Examples ...

    Oct 8, 2025 · Diffusion is a passive process where molecules move from an area of higher concentration to lower concentration until equilibrium is reached. It is vital for biological functions such as …

  6. Diffusion - Definition, Examples and Types | Biology Dictionary

    Oct 4, 2019 · Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. The material that diffuses could be a solid, liquid …

  7. What Is Diffusion? - ThoughtCo

    Apr 10, 2019 · Diffusion is the tendency of molecules to spread into an available area. Learn about the different types of diffusion, passive, facilitated and osmosis.