From Wikipedia, the free encyclopedia
A cavity is a hollow in an object. It may refer to:
- Cavity or dental caries, a damage to the structure of a tooth
- Body cavity, a fluid filled space in many animals where organs typically develop
- Cavity (heat source), the regions formed between adjacent fins to extract heat from a variety of heat generating bodies to a heat sink
- 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
- 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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