cavity

Pronunciation

• IPA ^(key): /ˈkævɪti/
• (US) IPA ^(key): [ˈkʰævɪɾi]

• Audio (UK)

  (file)

Noun

Singular cavity

Plural cavities

1. (countable) A cavity is a hole or hollow area.
   • Synonyms: indentation, dent and depression
2. (countable) A cavity is a hollow area inside the body (like the sinuses).
3. (countable) A cavity is a hole in a decayed tooth.

   You have a cavity in your back teeth.