hydromechanics

noun

fluid mechanics of water

Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Proto-Indo-European *megʰ-der.? Ancient Greek μηχανή (mēkhanḗ) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek μηχανικός (mēkhanikós)bor. Latin mēchanicusbor. English mechanics English hydromechanics From hydro- + mechanics.

fluid mechanics, especially when dealing with water