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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 …

  2. Diffusion | Definition & Examples | Britannica

    May 7, 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 …

  3. 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 …

  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’. …

  5. Diffusion – Definition, Causes, Significance, Examples

    May 4, 2025 · Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration, driven by random molecular motion, until …

  6. 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 …

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

    Diffusion is the process by which particles of one substance spread out through the particles of another substance. Diffusion is how smells spread out through the air and how concentrated...

  8. What Is Biological Diffusion and How Does It Work?

    Jun 18, 2025 · Biological diffusion is the movement of substances from an area of higher concentration to one of lower concentration. This process is a type of passive transport, …

  9. 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 …

  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.