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cavitation

cav·i·ta·tion [ kàvvi táysh'n ]


noun 
Definition:
 
1. disturbance of liquid: the rapid formation and collapse of bubbles in a liquid, caused by the movement of something in the liquid such as a propeller, or by waves of high-frequency sound

2. pitting of surface: the pitting of a solid surface as a result of the forces of repeated cavitation in a surrounding liquid

3. formation of cavities in tissue: the formation of cavities in body tissue, caused by a disease, e.g. as an effect of tuberculosis on the lungs

[Late 19th century. <cavity]
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