/ Dictionary / Index H hydropneumatization: Meaning and Definition of Find definitions for: hy•dro•pneu•ma•ti•za•tion Pronunciation: (hī"dru-n"mu-tu-zā'shun, -ny"-), [key] — n. utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydroplaner hydroponics Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language