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Hydrodynamics definitions

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Webster's 1828 Dictionary

HYDRODYNAM'ICS, n. That branch of natural philosophy which treat of the phenomena of water and other fluids, whether in motion or at rest; of their equilibrium, motion, cohesion, pressure, resistance, etc. It comprehends both hydrostatics and hydraulics.

WordNet (r) 3.0 (2005)

n
1: study of fluids in motion [syn: hydrodynamics, hydrokinetics]

Merriam Webster's

noun plural but singular in construction Date: 1779 a branch of physics that deals with the motion of fluids and the forces acting on solid bodies immersed in fluids and in motion relative to them — compare hydrostatics • hydrodynamicist noun

Oxford Reference Dictionary

n. the science of forces acting on or exerted by fluids (esp. liquids). Derivatives: hydrodynamic adj. hydrodynamical adj. hydrodynamicist n. Etymology: mod.L hydrodynamicus (as HYDRO-, DYNAMIC)

Webster's 1913 Dictionary

Hydrodynamics Hy`dro*dy*nam"ics, n. [Hydro-, 1 + dynamics: cf. F. hydrodynamique.] That branch of the science of mechanics which relates to fluids, or, as usually limited, which treats of the laws of motion and action of nonelastic fluids, whether as investigated mathematically, or by observation and experiment; the principles of dynamics, as applied to water and other fluids. Note: The word is sometimes used as a general term, including both hydrostatics and hydraulics, together with pneumatics and acoustics. See Hydraulics.

Webster's 1913 Dictionary

Mechanics Me*chan"ics, n. [Cf. F. m['e]canique.] That science, or branch of applied mathematics, which treats of the action of forces on bodies. Note: That part of mechanics which considers the action of forces in producing rest or equilibrium is called statics; that which relates to such action in producing motion is called dynamics. The term mechanics includes the action of forces on all bodies, whether solid, liquid, or gaseous. It is sometimes, however, and formerly was often, used distinctively of solid bodies only: The mechanics of liquid bodies is called also hydrostatics, or hydrodynamics, according as the laws of rest or of motion are considered. The mechanics of gaseous bodies is called also pneumatics. The mechanics of fluids in motion, with special reference to the methods of obtaining from them useful results, constitutes hydraulics. Animal mechanics (Physiol.), that portion of physiology which has for its object the investigation of the laws of equilibrium and motion in the animal body. The most important mechanical principle is that of the lever, the bones forming the arms of the levers, the contractile muscles the power, the joints the fulcra or points of support, while the weight of the body or of the individual limbs constitutes the weight or resistance. Applied mechanics, the principles of abstract mechanics applied to human art; also, the practical application of the laws of matter and motion to the construction of machines and structures of all kinds.

Moby Thesaurus

aerodynamics, barodynamics, biodynamics, dynamics, fluid dynamics, fluidics, geodynamics, hydraulics, hydrography, hydrology, hydromechanics, hydrometry, hydrostatics, kinematics, kinesiology, kinetics, magnetohydrodynamics, myodynamics, thermodynamics, zoodynamics