That
branch of the
science of
mechanics which relates to fluids, or, as generally 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 another fluids.
The
word is sometimes used as a common term, including both
hydrostatics and hydraulics, together with
pneumatics and acoustics. See Hydraulics.
Origin: Hydro-, 1 + dynamics: cf. F. Hydrodynamique.
Source: Websters Vocabulary