Look up cavity in Wiktionary, the free dictionary.

A cavity is a hole. It may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ...

• 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

This article is about dental caries in humans. ... A resonator is a device or part that vibrates (or oscillates) with waves. ... A cavity resonator uses resonance to amplify a wave. ... Cavitating propeller model in a water tunnel experiment High speed jet of fluid impact on a fixed surface. ... Cavitary Pneumonia is a disease in which the normal lung architecture is replaced by a cavity. ...

Cavity was also the name of a sludge metal band from Miami, Florida.

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