cavitation, Propeller—The tendency to produce a cavity in the air.
In marine engineering in slow-speed propellers (where cavitation does not come in) narrow blades are usually used.
"formation of bubbles in fluid," 1895, from cavity + -ation. Earlier as a medical term (1868).
cavitation cav·i·ta·tion (kāv'ĭ-tā'shən)n. The formation of cavities in a body tissue or an organ, especially those cavities that form in the lung as a result of tuberculosis.