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  1. Osmosis | Definition, Examples, & Facts | Britannica

    Oct 11, 2025 · osmosis, the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane (one that blocks the passage of dissolved substances—i.e., …

  2. Osmosis: Video, Causes, & Meaning | Osmosis

    Well, then, simply put, osmosis is how water molecules move across a semipermeable membrane that separates two solutions. It can be thought of as passive diffusion of water and it requires …

  3. Osmosis - Wikipedia

    Osmosis provides the primary means by which water is transported into and out of cells. The turgor pressure of a cell is largely maintained by osmosis across the cell membrane between …

  4. Osmosis: Definition and How Does it Occur (with Diagram) - Science

    Feb 17, 2023 · Learn what is osmosis and what factors affect it. Find out when it occurs, its types, and characteristics explained with examples and picture.

  5. Osmosis and tonicity - Khan Academy

    Formally, osmosis is the net movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.

  6. What Is Osmosis and Why Is It Important? - Biology Insights

    Aug 2, 2025 · Osmosis describes the net movement of water molecules from an area of higher water concentration to an area of lower water concentration. This movement occurs across a …

  7. Osmosis: Definition, Types of Solutions & Importance

    Explore osmosis, the vital process of water movement across a semi-permeable membrane. Learn how it works, its effects on cells (isotonic, hypotonic, hypertonic), and its importance in …

  8. What is osmosis? - howengineeringworks.com

    Nov 29, 2025 · Osmosis Osmosis is a fundamental process in physics, biology, and chemistry, and it refers to the movement of water molecules across a semi-permeable membrane. This …

  9. What Is Osmosis? Definition and Basic Principles - Live to Plant

    Jul 19, 2025 · Osmosis is a fundamental concept in biology and chemistry that explains the movement of solvent molecules through a semipermeable membrane. It is essential for many …

  10. A new way to generate electricity from water - The Economist

    Nov 26, 2025 · The latest idea is based on osmosis, a natural process in which water will move from a place with lower concentration of, for example, salts, through a semipermeable …