Look up cavity in Wiktionary, the free dictionary.

Cavity may refer to:

Biology and healthcare

• Body cavity, a fluid-filled space in many animals where organs typically develop
  • Gastrovascular cavity, the primary organ of digestion and circulation in cnidarians and flatworms
• Dental cavity or tooth decay, damage to the structure of a tooth
• Lung cavity, an air-filled space within the lung
• Nasal cavity, a large, air-filled space above and behind the nose in the middle of the face

Radio frequency resonance

• Microwave cavity or RF cavity, a cavity resonator in the radio frequency range, for example used in particle accelerators
• Optical cavity, the cavity resonator of a laser
• Resonant cavity, a device designed to select for waves of particular wavelengths

Other uses

• Cavity (band), a sludge metal band from Miami, Florida
• Cavity method, a mathematical method to solve some mean field type of models
• Cavity wall, a wall consisting of two skins with a cavity

See also

• Cavitation, the phenomenon of partial vacuums forming in fluid, for example, in propellers
• Cavitary pneumonia, a type of pneumonia in which a hole is formed in the lung
• Cavity Search (disambiguation)
• Hollow (disambiguation)