Definition of cavity noun from the Oxford Advanced Learner's Dictionary

     

    cavity

     noun
    noun
    BrE BrE//ˈkævəti//
     
    ; NAmE NAmE//ˈkævəti//
     
    (pl. cavities)(formal or specialist) Mouth and teeth
     
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  1. 1a hole or empty space inside something solid the abdominal cavity the nasal cavity
  2. 2a hole in a tooth Most dentists fill cavities right away. Wordfinderanaesthetic, cavity, check-up, crown, dentist, dentures, drill, extract, filling, hygienist See related entries: Mouth and teeth
  3. Word Origin mid 16th cent.: from French cavité or late Latin cavitas, from Latin cavus ‘hollow’.
See the Oxford Advanced American Dictionary entry: cavity

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