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hydrodynamics

American  
[hahy-droh-dahy-nam-iks, -di-] / ˌhaɪ droʊ daɪˈnæm ɪks, -dɪ- /

noun

(used with a singular verb)
  1. the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.


hydrodynamics British  
/ -dɪ-, ˌhaɪdrəʊdaɪˈnæmɪks /

noun

  1. Also called: hydromechanics(functioning as singular) the branch of science concerned with the mechanical properties of fluids, esp liquids See also hydrokinetics hydrostatics

  2. 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 Scientific  
/ hī′drō-dī-nămĭks /
  1. 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.

  2. Compare aerodynamics hydrostatics


Etymology

Origin of hydrodynamics

hydro- 1 + dynamics

Vocabulary lists containing hydrodynamics

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It had been hoped Bluebird would reach sufficient speed to allow it to "plane" - the point at which hydrodynamics enable the machine to skim across the surface of the lake.

From BBC May 17, 2026

“But at the same time, whales and sharks swim in such different ways that it is naturally going to affect the hydrodynamics around them.”

From Salon Mar. 10, 2025

Due to an interplay between hydrodynamics and ring topology, the BR molecules tumble around the gradient direction, which is perpendicular to the vorticity and flow axes.

From Science Daily Apr. 4, 2024

The study also recorded new deep-sea behaviors including manta rays hugging the bottom of the seabed—perhaps to reduce predation risk, improve hydrodynamics, or navigate using the Earth’s magnetic field.

From National Geographic Oct. 23, 2023

In the wide sense dynamics includes also hydrodynamics.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

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