Dictionary
hy•dro•pneu•ma•ti•za•tion
Pronunciation: (hī"dru-nOO"mu-tu-zā'shun, -nyOO"-), [key]
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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.