About 66,500 results
Open links in new tab
  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 · 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’.

  4. 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.

  5. 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 …

  6. 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 …

  7. 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 …