[hahy-droh-ki-net-iks, -kahy-]

noun (used with a singular verb)

the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.

Origin of hydrokinetics

First recorded in 1870–75; see origin at hydrokinetic, -ics
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British Dictionary definitions for hydrokinetics



(functioning as singular) the branch of science concerned with the mechanical behaviour and properties of fluids in motion, esp of liquidsAlso called: hydrodynamics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012