ETYM Latin cavus hollow: cf. French cavité.
In dentistry, decay (caries) of tooth enamel by the acids produced by mouth bacteria. Continuing decay undermines the inner tooth and attacks the nerve, causing toothache. Measures can be taken to save teeth by cleaning out the decay (drilling) and filling the tooth with a plastic substance such as silver amalgam or covering the cavity with an inlay or crown.
Soft decayed area in a tooth; progressive decay can lead to the death of a tooth; SYN. caries, dental caries, tooth decay.
1. A hollow space; SYN. enclosed space, depression, cave, hole.
2. (Anatomy) A natural hollow or sinus within the body; SYN. bodily cavity, cavum. + prikaži više

An empty area or space; SYN. vacancy, emptiness.