Hydrodynamics

hl-dro-di-namiks, n.pl used as sing the science that treats of the motions and equilibrium of a material system partly or wholly fluid, called HyctrostatlC8 when the system is in equilibrium, HydrokmetlCS when is not.—atIjs. Hydrodynamic, Hydrodynamlcal [Gr Aydar, water, and Dynamics Hydrogen, hl'dro-jen, u a gas which in combination with oxygen produces wafer an elementary gaseous substance, the lightest of all knuwn substances, and very inflammable -adj Hydrog'- enous [A word coined by Cavendish 17(10 from Gr. hydbr water, and gen-nao, to produce