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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

    Oct 31, 2025 · 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, Causes, Significance, Examples

    Nov 11, 2024 · What is Diffusion? Diffusion is a fundamental process involving the movement of particles, such as atoms, ions, or molecules, from an area of higher concentration to one of lower …

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

    Nov 21, 2023 · Diffusion is defined as the movement of atoms, ions, and molecules from a region of high concentration to a region of low concentration, or ‘down their concentration gradient’. The word …

  5. Diffusion Definition - BYJU'S

    “Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.” Read on to explore what is diffusion and the …

  6. What is the process of diffusion? - BBC Bitesize

    Discover what the process of diffusion is and how substances move from an area of high concentration to lower concentration in this Chemistry Bitesize guide.

  7. DIFFUSION | definition in the Cambridge English Dictionary

    DIFFUSION meaning: 1. the action of spreading in many directions: 2. (of a gas or liquid) the process of spreading…. Learn more.

  8. 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 …

  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. Diffusion Definition - Anatomy and Physiology II Key Term | Fiveable

    Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration, driven by the principle of entropy.