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  1. 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 …

  2. Diffusion - GeeksforGeeks

    Jul 23, 2025 · What is Diffusion in Biology? Diffusion is the process of movement of solutes and molecules from a higher concentration to a lower concentration across the membrane. This …

  3. Diffusion - Definition, Causes, Significance, Examples - Biology

    Nov 11, 2024 · 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 concentration. …

  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 in Biology: Definition, Importance and Examples

    May 29, 2025 · Diffusion is a fundamental biological process that plays a crucial role in the survival of all living organisms. It is responsible for the movement of essential substances such …

  6. Diffusion | Definition & Examples | Britannica

    Sep 18, 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 …

  7. Diffusion Definition - BYJU'S

    Diffusion is the process of movement of molecules under a concentration gradient. It is an important process occurring in all living beings. Diffusion helps in the movement of substances …

  8. Diffusion - Transport in cells - AQA - GCSE Biology (Single ... - BBC

    Some substances move into and out of living cells by diffusion. Discover how substances move into and out of cells through diffusion, osmosis and active transport, then complete a practical...

  9. What is a diffusion in biology? - California Learning Resource …

    Jan 26, 2025 · Diffusion, a cornerstone principle in biological systems, describes the net movement of molecules or ions from a region of higher concentration to a region of lower …

  10. Diffusion - Biology Simple

    Mar 6, 2024 · Diffusion is the process of molecules moving from an area of high concentration to low concentration. It is a fundamental concept in chemistry and biology, playing a crucial role …