Meaning of CAVITATION in English

CAVITATION

A condition in which a partial vacuum forms around the blades or impeller wheels of a pump , reducing the pump's output because part of the pump blades lose contact with the liquid. It can be a problem in fuel and water pump , fluid couplings , and torque converters . When severe, it can result in the erosion of the pump blades and other internal surfaces.

English dictionary of automotive terms.      Английский словарь автомобильных терминов.