Definition from Wiktionary, the free dictionary
- Rhymes: -eɪʃən
- The formation of pits on a surface.
- (sciences) The formation, in a fluid, of vapor bubbles that rapidly collapse; especially in a rotating marine propeller or pump impeller.
- (biology) The formation of cavities in an organ, especially in lung tissue as a result of tuberculosis.
Derived terms 
formation of vapor bubbles
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Translations to be checked
cavitation f (plural cavitations)