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  1. Fluid - Wikipedia

    In physics, a fluid is a liquid, gas, or other material that may continuously move and deform (flow) under an applied shear stress, or external force. [1] . They have zero shear modulus, or, in …

  2. FLUID Definition & Meaning - Merriam-Webster

    The meaning of FLUID is having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing. How to …

  3. Fluid | Definition, Models, Newtonian Fluids, Non-Newtonian Fluids ...

    Dec 19, 2025 · Fluid, any liquid or gas or generally any material that cannot sustain a tangential, or shearing, force when at rest and that undergoes a continuous change in shape when …

  4. 11.1: What Is a Fluid? - Physics LibreTexts

    A fluid is a state of matter that yields to sideways or shearing forces. Liquids and gases are both fluids. Fluid statics is the physics of stationary fluids.

  5. FLUID definition and meaning | Collins English Dictionary

    The blood vessels may leak fluid, which distorts vision. Make sure that you drink plenty of fluids. ...fluid retention.

  6. FLUID Definition & Meaning | Dictionary.com

    FLUID definition: a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape. See …

  7. Fluid Definition and Examples

    Aug 7, 2021 · Learn what a fluid is in physics and other sciences. Get the definition and see examples of fluids in everyday life.

  8. What Is a Fluid? | Physics - Lumen Learning

    When placed in an open container gases, unlike liquids, will escape. The major distinction is that gases are easily compressed, whereas liquids are not. We shall generally refer to both gases …

  9. Fluids - APlusPhysics

    Water is a fluid, air is a fluid, the sun is a fluid, even molasses are a fluid. Fluid Mechanics is the study of fluids, ranging from fluids at rest, to fluids in motion, to forces applied to and exerted …

  10. FLUID | English meaning - Cambridge Dictionary

    These tanks are used for storing fluids such as oil, petrol and kerosene. Keep all your household cleaning fluids where children cannot reach them. Your stomach produces a large quantity of …