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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 & Meaning - Merriam-Webster

    The meaning of DIFFUSION is the state of being spread out or transmitted especially by contact : the action of diffusing. How to use diffusion in a sentence.

  4. 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 …

  5. Diffusion - GeeksforGeeks

    Jul 23, 2025 · Diffusion is the process of movement of solutes and molecules from a higher concentration to a lower concentration across the membrane. This process is caused by the intrinsic …

  6. Diffusion - Simple - Facilitated - TeachMePhysiology

    May 5, 2025 · Cell membranes are “selectively permeable”. This means that they allow the movement of some molecules freely across them, but do not allow the free passage of others.In broad terms, there …

  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 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.

  9. 7.7: Diffusion - Chemistry LibreTexts

    Nov 6, 2025 · Diffusion refers to the phenomenon by which concentration and temperature gradients spontaneously disappear with time, and the properties of the system become spatially uniform. As …

  10. 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. For …