[hahy-druh-pley-ner] /ˈhaɪ drəˌpleɪ nər/
a person who pilots a , especially a professional speedboat racer.
[hahy-druh-pleyn] /ˈhaɪ drəˌpleɪn/ noun 1. a seaplane. 2. an attachment to an airplane enabling it to glide on the water. 3. a light, high-powered boat, especially one with hydrofoils or a stepped bottom, designed to plane along the surface of the water at very high speeds. 4. a horizontal rudder for submerging or elevating a […]
[hahy-druh-noo-muh-tuh-zey-shuh n, -nyoo-] /ˌhaɪ drəˌnu mə təˈzeɪ ʃən, -ˌnyu-/ 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.
hydropneumatosis hy·dro·pneu·ma·to·sis (hī’drō-nōō’mə-tō’sĭs, -nyōō’-) n. Presence of gas and liquid in tissues.
hydropneumogony hy·dro·pneu·mo·go·ny (hī’drō-nu-mō’gə-nē, -nyu-) n. The injection of air into a joint to determine the amount of effusion.