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tooth

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noun [countable] American English pronunciation: tooth /tuθ/ 
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singulartooth
pluralteeth
  1. 1
    one of the hard white objects inside your mouth that you use for biting and for chewing food

    front/back teeth

    a loose/missing/broken tooth

    brush/clean your teeth:

    It's important to brush your teeth at least twice a day.

    pull/fill a tooth:

    Two teeth needed filling and one had to be pulled.

    cut teeth (=start to get them):

    The baby's cutting his top teeth.

    bare/show your teeth:

    The dog growled and bared its teeth.

  2. 3

    teeth

    [plural] the necessary power and authority to be effective or to make people obey you

    The new regulations give the planning committees more teeth.

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