cavitation

cav·i·ta·tion  (kv-tshn)

n.

1. The sudden formation and collapse of low-pressure bubbles in liquids by means of mechanical forces, such as those resulting from rotation of a marine propeller.

2. The pitting of a solid surface.

3. Medicine The formation of cavities in a body tissue or an organ, especially those formed in the lung as a result of tuberculosis.

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[From cavity.]

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cavi·tate v.

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cavitation [ˌkævɪˈteɪʃən]

n

1. (Physics / General Physics) the formation of vapour- or gas-filled cavities in a flowing liquid when tensile stress is superimposed on the ambient pressure

2. the formation of cavities in a structure

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cavitation  (kv-tshn)

The formation of bubblelike gaps in a liquid. Mechanical forces, such as the moving blades of a ship's propeller or sudden negative changes in pressure, can cause cavitation.