n. The scientific study of fluids at rest, especially when under pressure.
the GNU version of the Collaborative International Dictionary of English
n. The branch of science which relates to the pressure and equilibrium of nonelastic fluids, as water, mercury, etc.; the principles of statics applied to water and other liquids.
The Century Dictionary and Cyclopedia
n. The mathematical theory of the pressure and equilibrium of incompressible fluids.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. study of the mechanical properties of fluids that are not in motion
Word Usage
"He made founding contributions to the fields of hydrostatics, static mechanics, and pycnometry (the measurement of the volume or density of an object)."