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  1. Tonicity: Definition, Types, and Examples - Science Facts

    Feb 2, 2023 · Tonicity is the extracellular solution’s ability to make water move inside or outside the cell by the process of osmosis. It measures the amount of solute dissolved in a specific amount of the …

  2. Tonicity - Wikipedia

    In biology, the tonicity of a solution usually refers to its solute concentration relative to that of another solution on the opposite side of a cell membrane; a solution outside of a cell is called hypertonic if it …

  3. Tonicity - Definition and Quiz | Biology Dictionary

    Apr 28, 2017 · Tonicity is the concentration of a solution as compared to another solution. Concentration describes the amount of solutes dissolved by a solution. If a solution has a higher concentration of …

  4. Tonicity: hypertonic, isotonic & hypotonic solutions (article) | Khan ...

    The ability of an extracellular solution to make water move into or out of a cell by osmosis is known as its tonicity. Tonicity is a bit different from osmolarity because it takes into account both relative solute …

  5. Understanding Tonicity: Definition, Types, And Biological Significance ...

    Nov 16, 2025 · Tonicity refers to the ability of a solution to cause a change in the volume of a cell by affecting the movement of water across its membrane. It is a fundamental concept in biology and …

  6. TONICITY Definition & Meaning - Merriam-Webster

    The meaning of TONICITY is the property of possessing tone; especially : healthy vigor of body or mind. How to use tonicity in a sentence.

  7. Tonicity Definition - Anatomy and Physiology II Key Term | Fiveable

    Tonicity refers to the relative concentration of solutes in a solution compared to another solution, impacting the movement of water across cell membranes. It plays a crucial role in determining …

  8. Tonicity - Definition, Types, Examples - Biology Notes Online

    Apr 1, 2024 · Tonicity refers to the difference in concentration between a solution and another. Concentration refers to the concentration of solutes that are dissolved in a solution. Hypertonic is a …

  9. What is tonicity in biology? - California Learning Resource Network

    May 6, 2025 · It specifically describes the relative concentration of solutes in a solution compared to another solution, typically the intracellular fluid of a cell. Understanding tonicity is vital for researchers …

  10. Tonicity in Biology: Effects on Cells and Organisms

    Tonicity refers to the ability of a solution to cause a cell to gain or lose water, impacting cellular function and survival. Its effects are seen across all domains of life, from plants and animals to microbes.