hydropneumatization

American  

[hahy-druh-noo-muh-tuh-zey-shuhn, -nyoo-] / ˌhaɪ drəˌnu mə təˈzeɪ ʃən, -ˌnju- /

noun

1. 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.

---

Etymology

Origin of hydropneumatization

hydro- ¹ + pneumat- ( def. ) + -ization