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Webster 1913 Edition
Hydrodynamical
{
Hyˊdro-dy-nam′ic
,Hyˊdro-dy-nam′ic-al
, }Adj.
[
Hydro-
, 1 + dynamic
, -ical
: cf. F. hydrodynamique
.] Pertaining to, or derived from, the dynamical action of water of a liquid; of or pertaining to water power.
Hydrodynamic friction
, friction produced by the viscosity of a liquid in motion.