fluid mechanics

noun (used with a singular verb)

1. an applied science dealing with the basic principles of gaseous and liquid matter.

noun

1. (functioning as singular) the study of the mechanical and flow properties of fluids, esp as they apply to practical engineeringAlso called: hydraulics See also hydrodynamics, hydrostatics, hydrokinetics

1. The scientific study of the mechanical properties of fluids, especially their behavior when subject to internal and external forces. Compare aerodynamics hydrodynamics.