Fluid

Fluid

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids.

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Famous quotes containing the word fluid:

    On and on eternally
    Shall your altered fluid run,
    Bud and bloom and go to seed;
    But your singing days are done;
    Edna St. Vincent Millay (1892–1950)

    Eye, gazelle, delicate wanderer,
    Drinker of horizon’s fluid line;
    Ear that suspends on a chord
    The spirit drinking timelessness;
    Touch, love, all senses;
    Stephen Spender (1909–1995)

    In place of a world, there is a city, a point, in which the whole life of broad regions is collecting while the rest dries up. In place of a type-true people, born of and grown on the soil, there is a new sort of nomad, cohering unstably in fluid masses, the parasitical city dweller, traditionless, utterly matter-of-fact, religionless, clever, unfruitful, deeply contemptuous of the countryman and especially that highest form of countryman, the country gentleman.
    Oswald Spengler (1880–1936)