from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The branch of physics that deals with fluids at rest and under pressure.

from The Century Dictionary.

  • noun The mathematical theory of the pressure and equilibrium of incompressible fluids.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physics) The branch of science which relates to the pressure and equilibrium of nonelastic fluids, as water, mercury, etc.; the principles of statics applied to water and other liquids.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics The scientific study of fluids at rest, especially when under pressure.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun study of the mechanical properties of fluids that are not in motion


Sorry, no etymologies found.


  • He made founding contributions to the fields of hydrostatics, static mechanics, and pycnometry (the measurement of the volume or density of an object).


  • ˜Eureka™ said to have accompanied Archimedes 'discovery of a principle of hydrostatics is but an extreme example.

    Collingwood's Aesthetics

  • Over the course of the next decade, Descartes worked on large number of problems in both science and mathematics, with particular emphasis on the theory of light, mechanics (including hydrostatics), and the free-fall of terrestrial bodies.

    Descartes' Physics

  • Beeckman set various problems for Descartes, including questions about falling bodies, hydrostatics, and mathematical problems.

    René Descartes

  • In order that they might cover both hemispheres to the depth of five hundred feet, not only would an ocean of that depth be necessary over all the land, but a new sea would, in addition, be required to envelop the ocean at present existing, without which the laws of hydrostatics would occasion the dispersion of that other new mass of water five hundred feet deep, which should remain covering the land.

    A Philosophical Dictionary

  • All animated bodies are composed of levers and pulleys, which act according to the laws of mechanics; of liquors, which are kept in perpetual circulation by the laws of hydrostatics; and the reflection that all these beings have sentiment which has no relation to their organization, fills us with wonder.

    A Philosophical Dictionary

  • “Only that my brother thought I was a bit of a screwball who studied hydrostatics at the university.”


  • Were one to say that thoughts about hydrostatics and pneumatics are difficult to the multitude, or that mental efforts in regions of political economy or ethical philosophy are beyond ordinary reach, one would only pronounce an evident truism, an absurd platitude.

    Castle Richmond

  • Its design was evolved ages upon ages ago by black students of hydrostatics and fish.

    My Tropic Isle

  • Laws as precise as those of hydrostatics maintain the relative position of the images which we form in a fixed order, which the coming event at once upsets.

    Within a Budding Grove


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  • "'Although I have been waterborne most of my days, I am sadly ignorant of hydrostatics except in a pragmatic, rule-of-thumb kind of fashion.'"

    --Patrick O'Brian, The Hundred Days, 82

    March 20, 2008