Tuesday, March 11, 2008

Wikipedia writes poetry about cavities.

A cavity is a hole that can also hurt your teeth. To cure a cavity you have to go to the dentist. It may refer to:

* Dental cavity, damage to the structure of teeth
* Resonator, a device designed to select for waves of particular wavelengths
* Optical cavity, the cavity resonator of a laser
* Cavitation, the phenomenon of partial vacuums forming in fluid, for example, in propellors
* Cavitary pneumonia, a type of pneumonia in which a hole is formed in the lung

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