Cavity

Look up cavities or cavity in Wiktionary, the free dictionary.

A cavity is a hollow in an object. It may refer to:

• Cavity or dental caries, damage to the structure of a tooth
• Body cavity, a fluid filled space in many animals where organs typically develop
• Cavity wall, a wall consisting of two skins with a cavity
• Cavity (band), a sludge metal band from Miami, Florida
• Cavity method, a mathematical method to solve some mean field type of models

In radio frequency resonance

• Cavity Resonator, a device designed to select for waves of particular wavelengths

• Optical cavity, the cavity resonator of a laser
• Microwave cavity or RF cavity, a cavity resonator in the radio frequency range, for example used in particle accelerators

See also

• 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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