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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. 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 …

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

    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. 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 …

  7. Diffusion - Simple - Facilitated - TeachMePhysiology

    May 5, 2025 · Diffusion is the movement of a molecule down a concentration gradient, from an area of its high concentration to an area of its low concentration. This process is passive, i.e. it requires no …

  8. Diffusion | learn.concord.org

    Diffusion is the natural movement of molecules spreading out from higher to lower concentration. Molecules diffuse through collisions due to random molecular motion.

  9. Diffusion | Brilliant Math & Science Wiki

    Diffusion is the process by which concentration differences even out over time due to random movements. Qualitatively different from other motions in nature, diffusion gives us a baseline …

  10. 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.