[hahy-droh-dahy-nam-iks, -di-]

noun (used with a singular verb)

the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.

Origin of hydrodynamics

Also called hydromechanics.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hydrodynamics

Historical Examples of hydrodynamics

  • Thomson devoted great attention from time to time to the science of hydrodynamics.

    Lord Kelvin

    Andrew Gray

  • The proof given is that now usually repeated in text-books of hydrodynamics.

    Lord Kelvin

    Andrew Gray

  • This subject is often explained in connection with hydrodynamics.

  • But it is precisely the motion of these particles that the student of hydrodynamics desires to be able to trace.

    A Study of Splashes

    Arthur Mason Worthington

  • Equations with several dependent variables occur in Elasticity, Electrodynamics, and Hydrodynamics.

British Dictionary definitions for hydrodynamics



Also called: hydromechanics (functioning as singular) the branch of science concerned with the mechanical properties of fluids, esp liquidsSee also hydrokinetics, hydrostatics
another name for hydrokinetics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hydrodynamics in Science



The scientific study of the motion of fluids, especially noncompressible liquids, under the influence of internal and external forces. Hydrodynamics is a branch of fluid mechanics and has many applications in engineering. Compare aerodynamics hydrostatics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.