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  2. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    A vapor can exist in equilibrium with a liquid (or solid), in which case the gas pressure equals the vapor pressure of the liquid (or solid). A supercritical fluid (SCF) is a gas whose temperature and pressure are above the critical temperature and critical pressure respectively. In this state, the distinction between liquid and gas disappears.

  3. Fluid - Wikipedia

    en.wikipedia.org/wiki/Fluid

    Although the term fluid generally includes both the liquid and gas phases, its definition varies among branches of science. Definitions of solid vary as well, and depending on field, some substances can have both fluid and solid properties. [2] Non-Newtonian fluids like Silly Putty appear to behave similar to a solid when a sudden force is ...

  4. Category:Solids - Wikipedia

    en.wikipedia.org/wiki/Category:Solids

    Liquid-solid separation (2 C, 16 ... Pages in category "Solids" The following 9 pages are in this category, out of 9 total. ... This page was last edited on 10 August ...

  5. Electrorheological fluid - Wikipedia

    en.wikipedia.org/wiki/Electrorheological_fluid

    The ER fluid changes from a Newtonian liquid to a partially crystalline "semi-hard slush". However, an almost complete liquid to solid phase change can be obtained when the electrorheological fluid additionally experiences compressive stress. [15] This effect has been used to provide electrorheological Braille displays [16] and very effective ...

  6. Solid mechanics - Wikipedia

    en.wikipedia.org/wiki/Solid_mechanics

    Solid mechanics is fundamental for civil, aerospace, nuclear, biomedical and mechanical engineering, for geology, and for many branches of physics and chemistry such as materials science. [1] It has specific applications in many other areas, such as understanding the anatomy of living beings, and the design of dental prostheses and surgical ...

  7. List of refractive indices - Wikipedia

    en.wikipedia.org/wiki/List_of_refractive_indices

    1.000132 [1] Liquids at 20 °C Arsenic trisulfide and sulfur in methylene iodide: 1.9 [5] ... 1.4394 [7] Solids at room temperature Silicon carbide (moissanite; 6H form)

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  9. Compressibility - Wikipedia

    en.wikipedia.org/wiki/Compressibility

    In thermodynamics and fluid mechanics, the compressibility (also known as the coefficient of compressibility [1] or, if the temperature is held constant, the isothermal compressibility [2]) is a measure of the instantaneous relative volume change of a fluid or solid as a response to a pressure (or mean stress) change.