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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

    Dec 19, 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 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.

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

    Aug 2, 2025 · Diffusion describes the net movement of particles from an area of higher concentration to an area of lower concentration. This process continues until particles are evenly distributed.

  5. 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 …

  6. 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 …

  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.